The Can Opener Neck Crank is a highly effective technique especially when you are in someone s Guard. This technique places tremendous amount of pressure on the neck. When this technique is applied correctly, it is very effective at breaking some ones Guard. It is also possible to submit your opponent from this position. The best way to apply the Can Opener Neck Crank is to do it quickly and surprise your opponent. This technique seldom gets used in MMA, however it could be effective.Especially if it is followed up by a Heel Hook.