diff --git a/src/components/mod.rs b/src/components/mod.rs
index 26a9632..c1da939 100644
--- a/src/components/mod.rs
+++ b/src/components/mod.rs
@@ -7,7 +7,7 @@ pub mod crud {
 
     #[async_trait]
     pub trait Create: Sized {
-        type Id: Sized + Send + Sync + 'static;
+        type Id: Sized + Send + Sync + Copy + 'static;
         type Filter: Sized + Send + Sync + 'static;
         type Info: Sized + Send + Sync + 'static;
 
@@ -22,7 +22,7 @@ pub mod crud {
     #[async_trait]
     pub trait Read: Sized {
         type Filter;
-        type Id;
+        type Id: Copy;
 
         async fn findall(
             ctx: &Context,
@@ -40,7 +40,7 @@ pub mod crud {
 
     #[async_trait]
     pub trait Update: Sized {
-        type Id;
+        type Id: Copy;
         type Filter;
         type UpdateElement;
 
@@ -99,6 +99,20 @@ pub mod crud {
             Ok(true)
         }
     }
+
+    #[async_trait]
+    pub trait Toggle: Sized {
+        type Id: Sized + Send + Sync + Copy + 'static;
+        type Filter: Sized + Send + Sync + 'static;
+
+        async fn set(
+            ctx: &Context,
+            pool: &sqlite::Pool,
+            filter: Self::Filter,
+            id: Self::Id,
+            value: bool,
+        ) -> Result<(), crate::Error>;
+    }
 }
 
 pub mod view {
@@ -192,8 +206,8 @@ pub mod route {
     }
 
     #[async_trait]
-    pub trait ToggleFallback: Send + Sync + Sized + 'static {
-        type UrlParams: Clone + Copy + Send + Sync + Sized + 'static;
+    pub trait ToggleFallback: super::crud::Toggle {
+        type UrlParams: Send + Sync + 'static;
 
         const URL_TRUE: &'static str;
         const URL_FALSE: &'static str;
@@ -212,7 +226,7 @@ pub mod route {
             headers: HeaderMap,
             Path(path): Path<Self::UrlParams>,
         ) -> Result<Response<BoxBody>, crate::Error> {
-            Self::set(user, state, headers, path, true).await
+            <Self as ToggleFallback>::set(user, state, headers, path, true).await
         }
 
         async fn set_false(
@@ -221,7 +235,7 @@ pub mod route {
             headers: HeaderMap,
             Path(path): Path<Self::UrlParams>,
         ) -> Result<Response<BoxBody>, crate::Error> {
-            Self::set(user, state, headers, path, false).await
+            <Self as ToggleFallback>::set(user, state, headers, path, false).await
         }
 
         fn router<B>() -> axum::Router<AppState, B>
@@ -232,7 +246,9 @@ pub mod route {
     }
 
     #[async_trait]
-    pub trait ToggleHtmx {
+    pub trait ToggleHtmx: super::crud::Toggle {
+        type Id: Send + Sync + Copy + 'static + From<Self::UrlParams>;
+        type Filter: Send + Sync + 'static + From<Self::UrlParams>;
         type UrlParams: Send + Sync + 'static;
 
         const URL_TRUE: &'static str;
@@ -243,22 +259,33 @@ pub mod route {
             state: AppState,
             params: Self::UrlParams,
             value: bool,
+        ) -> Result<(crate::Context, AppState, Self::UrlParams, bool), crate::Error>;
+
+        async fn response(
+            ctx: &crate::Context,
+            state: AppState,
+            params: Self::UrlParams,
+            value: bool,
         ) -> Result<Response<BoxBody>, crate::Error>;
 
-        async fn set_true(
+        async fn on(
             Extension(user): Extension<User>,
             State(state): State<AppState>,
             Path(path): Path<Self::UrlParams>,
         ) -> Result<Response<BoxBody>, crate::Error> {
-            Self::set(user, state, path, true).await
+            let (ctx, state, params, value) =
+                <Self as ToggleHtmx>::set(user, state, path, true).await?;
+            <Self as ToggleHtmx>::response(&ctx, state, params, value).await
         }
 
-        async fn set_false(
+        async fn off(
             Extension(user): Extension<User>,
             State(state): State<AppState>,
             Path(path): Path<Self::UrlParams>,
         ) -> Result<Response<BoxBody>, crate::Error> {
-            Self::set(user, state, path, false).await
+            let (ctx, state, params, value) =
+                <Self as ToggleHtmx>::set(user, state, path, false).await?;
+            <Self as ToggleHtmx>::response(&ctx, state, params, value).await
         }
 
         fn router<B>() -> axum::Router<AppState, B>
@@ -296,7 +323,7 @@ pub mod route {
     }
 
     pub trait Router: Create + Delete {
-        fn get<B>() -> axum::Router<AppState, B>
+        fn router<B>() -> axum::Router<AppState, B>
         where
             B: HttpBody + Send + 'static,
             <B as HttpBody>::Data: Send,
diff --git a/src/components/trips/todos/mod.rs b/src/components/trips/todos/mod.rs
index 82fbdb5..020cceb 100644
--- a/src/components/trips/todos/mod.rs
+++ b/src/components/trips/todos/mod.rs
@@ -17,8 +17,9 @@ use uuid::Uuid;
 
 use crate::{
     components::{
+        self,
         crud::{self, Read, Update},
-        route,
+        route::{self, Toggle},
         view::{self, View},
     },
     htmx,
@@ -86,6 +87,27 @@ pub struct Filter {
     pub trip_id: Uuid,
 }
 
+impl From<(Uuid, Uuid)> for Filter {
+    fn from((trip_id, _todo_id): (Uuid, Uuid)) -> Self {
+        Self { trip_id }
+    }
+}
+
+#[derive(Debug, Copy, Clone)]
+pub struct Id(pub Uuid);
+
+impl std::fmt::Display for Id {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{}", self.0)
+    }
+}
+
+impl From<(Uuid, Uuid)> for Id {
+    fn from((_trip_id, todo_id): (Uuid, Uuid)) -> Self {
+        Self(todo_id)
+    }
+}
+
 impl Todo {
     pub fn is_done(&self) -> bool {
         self.state == State::Done
@@ -95,7 +117,7 @@ impl Todo {
 #[async_trait]
 impl crud::Read for Todo {
     type Filter = Filter;
-    type Id = Uuid;
+    type Id = Id;
 
     async fn findall(
         ctx: &Context,
@@ -138,10 +160,10 @@ impl crud::Read for Todo {
         ctx: &Context,
         pool: &sqlite::Pool,
         filter: Filter,
-        todo_id: Uuid,
+        todo_id: Id,
     ) -> Result<Option<Self>, Error> {
         let trip_id_param = filter.trip_id.to_string();
-        let todo_id_param = todo_id.to_string();
+        let todo_id_param = todo_id.0.to_string();
         let user_id = ctx.user.id.to_string();
         crate::query_one!(
             &sqlite::QueryClassification {
@@ -178,7 +200,7 @@ pub struct TodoNew {
 
 #[async_trait]
 impl crud::Create for Todo {
-    type Id = Uuid;
+    type Id = Id;
     type Filter = Filter;
     type Info = TodoNew;
 
@@ -215,7 +237,7 @@ impl crud::Create for Todo {
         )
         .await?;
 
-        Ok(id)
+        Ok(components::trips::todos::Id(id))
     }
 }
 
@@ -255,7 +277,7 @@ pub enum UpdateElement {
 
 #[async_trait]
 impl crud::Update for Todo {
-    type Id = Uuid;
+    type Id = Id;
     type Filter = Filter;
     type UpdateElement = UpdateElement;
 
@@ -344,15 +366,15 @@ impl crud::Update for Todo {
 
 #[async_trait]
 impl crud::Delete for Todo {
-    type Id = Uuid;
+    type Id = Id;
     type Filter = Filter;
 
     #[tracing::instrument]
-    async fn delete<'c, T>(ctx: &Context, db: T, filter: &Filter, id: Uuid) -> Result<bool, Error>
+    async fn delete<'c, T>(ctx: &Context, db: T, filter: &Filter, id: Id) -> Result<bool, Error>
     where
         T: sqlx::Acquire<'c, Database = sqlx::Sqlite> + Send + std::fmt::Debug,
     {
-        let id_param = id.to_string();
+        let id_param = id.0.to_string();
         let user_id = ctx.user.id.to_string();
         let trip_id_param = filter.trip_id.to_string();
 
@@ -663,7 +685,7 @@ impl route::Delete for Todo {
             &ctx,
             &state.database_pool,
             &Filter { trip_id },
-            todo_id,
+            components::trips::todos::Id(todo_id),
         )
         .await?;
 
@@ -692,7 +714,7 @@ impl route::Delete for Todo {
 }
 
 impl route::Router for Todo {
-    fn get<B>() -> axum::Router<AppState, B>
+    fn router<B>() -> axum::Router<AppState, B>
     where
         B: HttpBody + Send + 'static,
         <B as HttpBody>::Data: Send,
@@ -704,6 +726,7 @@ impl route::Router for Todo {
                 "/:id/delete",
                 axum::routing::post(<Self as route::Delete>::delete),
             )
+            .merge(StateUpdate::router())
     }
 }
 
@@ -719,7 +742,7 @@ pub async fn trip_todo_done(
         &ctx,
         &state.database_pool,
         Filter { trip_id },
-        todo_id,
+        Id(todo_id),
         UpdateElement::State(State::Done.into()),
     )
     .await?;
@@ -738,12 +761,12 @@ pub async fn trip_todo_undone_htmx(
         &ctx,
         &state.database_pool,
         Filter { trip_id },
-        todo_id,
+        Id(todo_id),
         UpdateElement::State(State::Todo.into()),
     )
     .await?;
 
-    let todo_item = Todo::find(&ctx, &state.database_pool, Filter { trip_id }, todo_id)
+    let todo_item = Todo::find(&ctx, &state.database_pool, Filter { trip_id }, Id(todo_id))
         .await?
         .ok_or_else(|| {
             crate::Error::Request(RequestError::NotFound {
@@ -769,7 +792,7 @@ pub async fn trip_todo_undone(
         &ctx,
         &state.database_pool,
         Filter { trip_id },
-        todo_id,
+        Id(todo_id),
         UpdateElement::State(State::Todo.into()),
     )
     .await?;
@@ -792,7 +815,7 @@ pub async fn trip_todo_edit(
     Path((trip_id, todo_id)): Path<(Uuid, Uuid)>,
 ) -> Result<impl IntoResponse, crate::Error> {
     let ctx = Context::build(current_user);
-    let todo_item = Todo::find(&ctx, &state.database_pool, Filter { trip_id }, todo_id).await?;
+    let todo_item = Todo::find(&ctx, &state.database_pool, Filter { trip_id }, Id(todo_id)).await?;
 
     match todo_item {
         None => Err(crate::Error::Request(RequestError::NotFound {
@@ -820,7 +843,7 @@ pub async fn trip_todo_edit_save(
         &ctx,
         &state.database_pool,
         Filter { trip_id },
-        todo_id,
+        Id(todo_id),
         UpdateElement::Description(form.description.into()),
     )
     .await?;
@@ -852,7 +875,7 @@ pub async fn trip_todo_edit_cancel(
     Path((trip_id, todo_id)): Path<(Uuid, Uuid)>,
 ) -> Result<impl IntoResponse, crate::Error> {
     let ctx = Context::build(current_user);
-    let todo_item = Todo::find(&ctx, &state.database_pool, Filter { trip_id }, todo_id).await?;
+    let todo_item = Todo::find(&ctx, &state.database_pool, Filter { trip_id }, Id(todo_id)).await?;
 
     match todo_item {
         None => Err(crate::Error::Request(RequestError::NotFound {
@@ -867,6 +890,23 @@ pub async fn trip_todo_edit_cancel(
     }
 }
 
+#[async_trait]
+impl crud::Toggle for StateUpdate {
+    type Id = Id;
+    type Filter = Filter;
+
+    async fn set(
+        ctx: &Context,
+        pool: &sqlite::Pool,
+        filter: Self::Filter,
+        id: Self::Id,
+        value: bool,
+    ) -> Result<(), crate::Error> {
+        Todo::update(&ctx, &pool, filter, id, UpdateElement::State(value.into())).await?;
+        Ok(())
+    }
+}
+
 #[async_trait]
 impl route::ToggleFallback for StateUpdate {
     type UrlParams = (Uuid, Uuid);
@@ -882,12 +922,12 @@ impl route::ToggleFallback for StateUpdate {
         value: bool,
     ) -> Result<Response<BoxBody>, crate::Error> {
         let ctx = Context::build(current_user);
-        Todo::update(
+        <Self as crud::Toggle>::set(
             &ctx,
             &state.database_pool,
             Filter { trip_id },
-            todo_id,
-            UpdateElement::State(value.into()),
+            Id(todo_id),
+            value,
         )
         .await?;
 
@@ -908,6 +948,8 @@ impl route::ToggleFallback for StateUpdate {
 
 #[async_trait]
 impl route::ToggleHtmx for StateUpdate {
+    type Id = Id;
+    type Filter = Filter;
     type UrlParams = (Uuid, Uuid);
 
     const URL_TRUE: &'static str = "/:id/done/htmx/true";
@@ -916,20 +958,29 @@ impl route::ToggleHtmx for StateUpdate {
     async fn set(
         current_user: User,
         state: AppState,
-        (trip_id, todo_id): (Uuid, Uuid),
+        params: Self::UrlParams,
         value: bool,
-    ) -> Result<Response<BoxBody>, crate::Error> {
+    ) -> Result<(crate::Context, AppState, Self::UrlParams, bool), crate::Error> {
         let ctx = Context::build(current_user);
-        Todo::update(
+        <Self as crud::Toggle>::set(
             &ctx,
             &state.database_pool,
-            Filter { trip_id },
-            todo_id,
-            UpdateElement::State(value.into()),
+            params.into(),
+            params.into(),
+            value,
         )
         .await?;
 
-        let todo_item = Todo::find(&ctx, &state.database_pool, Filter { trip_id }, todo_id)
+        Ok((ctx, state, params, value))
+    }
+
+    async fn response(
+        ctx: &Context,
+        state: AppState,
+        (trip_id, todo_id): (Uuid, Uuid),
+        value: bool,
+    ) -> Result<Response<BoxBody>, crate::Error> {
+        let todo_item = Todo::find(&ctx, &state.database_pool, Filter { trip_id }, Id(todo_id))
             .await?
             .ok_or_else(|| {
                 crate::Error::Request(RequestError::NotFound {
@@ -952,8 +1003,8 @@ impl route::ToggleHtmx for StateUpdate {
         <B as HttpBody>::Error: std::error::Error + Sync + Send,
     {
         axum::Router::new()
-            .route(Self::URL_TRUE, post(Self::set_true))
-            .route(Self::URL_FALSE, post(Self::set_false))
+            .route(Self::URL_TRUE, post(Self::on))
+            .route(Self::URL_FALSE, post(Self::off))
     }
 }
 
diff --git a/src/routing/mod.rs b/src/routing/mod.rs
index 8f669a3..af3ae6d 100644
--- a/src/routing/mod.rs
+++ b/src/routing/mod.rs
@@ -13,10 +13,7 @@ use std::{fmt, time::Duration};
 use tower::{timeout::TimeoutLayer, ServiceBuilder};
 
 use crate::{
-    components::{
-        self,
-        route::{Router as _, Toggle},
-    },
+    components::{self, route::Router as _},
     AppState, Error, RequestError, TopLevelPage,
 };
 
@@ -168,11 +165,7 @@ pub fn router(state: AppState) -> Router {
                             "/:id/todo/:id/edit/cancel",
                             post(components::trips::todos::trip_todo_edit_cancel),
                         )
-                        .nest(
-                            "/:id/todo/",
-                            components::trips::todos::Todo::get()
-                                .merge(<components::trips::todos::StateUpdate as Toggle>::router()),
-                        ),
+                        .nest("/:id/todo/", components::trips::todos::Todo::router()),
                 )
                 .nest(
                     (&TopLevelPage::Inventory.path()).into(),
diff --git a/src/routing/routes.rs b/src/routing/routes.rs
index a97715e..70b26a2 100644
--- a/src/routing/routes.rs
+++ b/src/routing/routes.rs
@@ -441,7 +441,7 @@ pub async fn trip(
             &ctx,
             &state.database_pool,
             &todos::Filter { trip_id: id },
-            delete_todo,
+            components::trips::todos::Id(delete_todo),
         )
         .await?;