The Figure-Four leg lock is a legendary move because its performed by the legendary Ric Flair. Every match Ric was in and had put on the Figure-Four leg lock, he had won. The move affects your knee, hip socket, ankle, shine and hamstring. Its effectiveness is rated 3.5 out of 5. The pain level is 4 out of 5. This move is easy to over come if you roll over to your stomach.