How to Defend Against a Side Wrist Grab (with thumb up).

1. If someone walks up along side of you and grabs your wrist, they could possibly do it two different ways. The first way is when the thumb is up. See See Side Wrist Grab Pinky UP.
2. Making a fist to prevent the fingers from being grabbed the defender steps to the side.
3. Next, the wrist is jerked back and away toward the opposite shoulder, releasing the hold.
4. From here, if necessary, you can follow up with a backfist strike, palm heels, knee kicks and elbow strikes.

This clip is taken from Street Self Defense 101. Please visit http://www.easy-self-defense.com for more details.