diff --git a/index.html b/index.html
index a922431..af98693 100644
--- a/index.html
+++ b/index.html
@@ -2401,6 +2401,17 @@ function addMannequins(){
 		// but must consider how to use rotation too, not just position
 			// must rely on its own system in order to respect constraints, if defined
 
+let people
+async function moveMannequinPartExample(mannequin=0){
+	testPoints = await fetch("pointsFromMovementExample.json").then( r => r.json() )
+	// to replace by nextMovementToPoints() then pointsFromMovement
+	let first = new THREE.Vector3(  ).copy( testPoints[0] )
+	let last = new THREE.Vector3(  ).copy( testPoints[testPoints.length-1]) 
+	let distance = first.distanceTo( last )
+	if (!people) people = addMannequins()
+	people[mannequin].head.tilt -= distance
+}
+
 </script>
 <div id="observablehq-key">
     <div id="observablehq-viewof-offsetExample-ab4c1560"></div>