Check out the article How To – Ground Slam for instructions on how to complete this move. Don't forget to watch the instructional video here!

If you're stuck, make sure that:

1. The left hand has batteries and is powered on. Test by punching with your left fist – you should hear the punching sound on the right hand.
2. You make solid contact with a hard surface using the bottom of the fists – not the knuckles.