Because the action of drawing the 6 is counter clockwise, so your foot follows. Pretty funny though.
Teresa in MD
While I'm sure that one of you out there knows the logical reason for
> this, it's way too funny not to share.
> Go ahead try it....
>
> While sitting on a chair make clockwise circles with your right foot.
> While doing this, draw the number "6" in the air with your right hand.
> Your foot will change direction!