How to escape a mugging - Hiscoe Jiu-Jitsu

Steven Hiscoe is an 8th degree black belt in Can-Ryu Jiu-Jitsu as promoted by the founder O'Sensei Georges Sylvain. He is the owner and chief instructor of Hiscoe Jiu-Jitsu in Chilliwack BC in addition to the vice-president of the Canadian Jiu-Jitsu Union.
In this video Sensei Hiscoe teaches you how to escape if someone grabs you around the neck from behind.