actors and instruments

Has anyone done a live hanging with an actor? We have a rig for the actor, but I'm concerned about the rope around the neck. I need something that will release if the rig fails, we've talked about velcro or a magnet.

I'm new to posting on Control Booth but I've lurked around for ages. I've been stage managing professionally since my second year of college, so about seven years now. I also work as a technician backstage, usually as a props or rail lead.My next gig is for a very large children's theatre...