Dr. Bill’s “Wax On Wax Off” example (ASL) (ASL-fu) (American Sign Language – self defense technique)

Dr. Bill (Karate Bill?) of ASLU (Lifeprint.com) teaching Kamryn why it is “important” (wink, wink) to move the sign “APPROXIMATE” (approximately) using an outward rotation.
Reference: https://youtu.be/SMCsXl9SGgY?t=117 (heh).