Cool way to help eliminate body movement

[Bob Jewett]

Here is a simple idea that was just posted to FB to prevent raising the stick.

 

[JonMaxWV]

This is genius. So simple.

 

[Mensabum]

The OP's gadget could be used as 'DOG-o-Meter', if that thing is swinging you're about to dog it. It is a pretty cool, super simple gizmo.

Most great teaching tools are. All that complex shit was made by guys who can't think outside the box. Simple Innovation. Key word being...