Rock Crusher is a knee strike technique used by Turles.
First, Turles ducks down to avoid any attacks by the enemy, then he counterattacks with a powerful knee strike. The attack usually sends the opponent flying away. This attack is part of the Meteor Break. He uses it against Goku as part of the Meteor Break attack.
Appearances in games
Rock Crusher was named in Dragon Ball Z: Raging Blast 2, where it appears as Turles' Signature Attack.