Art,

I tried your test for draw length (without my bow) just to see how it may work. At first I THOUGHT that I could keep the same anchor point with my elbow out, then increase back tension to pull the elbow back and still keep the same anchor.

But, I did it a few times and then realized that as my back tension increased (pulling that elbow back, but not behind the head, with my release hand in my proper anchoring point), that my head naturally swiveled with the increased back tension bringing the elbow into proper position.

This is a really great test, superior to all of the measuring stuff out there (I never found factory draw lengths to be that accurate anyway). Thanks.