diff --git a/demo/physics.html b/demo/physics.html
index 6daf61c..90355eb 100644
--- a/demo/physics.html
+++ b/demo/physics.html
@@ -3,7 +3,7 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <title>Distance Field Demo</title>
+    <title>Physics</title>
     <style>
       html {
         height: 100%;
@@ -13,6 +13,7 @@
         min-height: 100%;
         position: relative;
         margin: 0;
+        inset: 0;
         overscroll-behavior: none;
       }
 
@@ -25,8 +26,8 @@
   </head>
   <body>
     <folk-physics>
-      <folk-shape x="250" y="50" width="120" height="30" rotation="30"></folk-shape>
-      <folk-shape x="450" y="350" width="40" height="120" rotation="45"></folk-shape>
+      <folk-shape id="shape1" x="250" y="50" width="120" height="30" rotation="30"></folk-shape>
+      <folk-shape id="shape2" x="450" y="350" width="40" height="120" rotation="45"></folk-shape>
       <folk-shape x="150" y="150" width="70" height="70" rotation="15"></folk-shape>
       <folk-shape x="350" y="300" width="90" height="45" rotation="-20"></folk-shape>
       <folk-shape x="550" y="200" width="35" height="85" rotation="60"></folk-shape>
@@ -34,10 +35,12 @@
       <folk-shape x="420" y="150" width="110" height="25" rotation="10"></folk-shape>
       <folk-shape x="280" y="380" width="75" height="95" rotation="-50"></folk-shape>
     </folk-physics>
+    <folk-event-propagator source="#shape1" target="#shape2"></folk-event-propagator>
 
     <script type="module">
       import '../src/standalone/folk-shape.ts';
       import '../src/standalone/folk-physics.ts';
+      import '../src/standalone/folk-event-propagator.ts';
     </script>
   </body>
 </html>
diff --git a/src/folk-physics.ts b/src/folk-physics.ts
index 59cfa8e..2786088 100644
--- a/src/folk-physics.ts
+++ b/src/folk-physics.ts
@@ -7,7 +7,7 @@ import { FolkShape } from './folk-shape';
 export class FolkPhysics extends FolkBaseSet {
   static override tagName = 'folk-physics';
 
-  private static PHYSICS_SCALE = 0.1; // Adjust this value to tune the overall scale
+  private static PHYSICS_SCALE = 0.1;
 
   private world?: RAPIER.World;
   private bodies: Map<FolkShape, RAPIER.RigidBody> = new Map();
@@ -18,23 +18,19 @@ export class FolkPhysics extends FolkBaseSet {
   connectedCallback() {
     super.connectedCallback();
 
-    // Create physics world with reduced gravity
     this.world = new RAPIER.World({
       x: 0.0,
-      y: 8,
+      y: 5,
     });
 
-    // Add container walls and floor
     this.createContainer();
 
-    // Start the simulation loop
     this.startSimulation();
   }
 
   disconnectedCallback() {
     super.disconnectedCallback();
 
-    // Stop simulation loop
     if (this.animationFrameId) {
       cancelAnimationFrame(this.animationFrameId);
     }
@@ -50,7 +46,6 @@ export class FolkPhysics extends FolkBaseSet {
 
     if (!this.world || this.sourcesMap.size !== this.sourceElements.size) return;
 
-    // Update physics bodies to match source elements
     this.updatePhysicsBodies();
   }
 
