Do they really work against real martial artists. I've never used one, but I've seen them in MMA and had one pulled on me the other day as I tried for a knee bar. I didn't tap out and I've never seen anyone else either. It stalled us, and it hurt, but not very badly. Did he just do it wrong? Has anyone here ever tapped because of one?
[link=http://www.ultimatejujitsu.com/learn-jujitsu-techniques/brazilian-jiu-jitsu-techniques/leg-locks/achilles-ankle-lock-inside-guard.shtml]See it here[/link]
Blue Belt - Gracie JJ
3rd Degree Black Belt - Shorin Ryu
Red Belt w/ two stripes - Soo Bahk Do