Electroknuckle punch is only used by the red robot, and knocks out the entire party when used. It can only be used out of combat.
Before using the punch, the red robot's arms will create electric sparks. Once the robot is close to the party, he will punch the party and knock them all out.
The first time the robot uses electroknuckle punch and knocks out the party, they wake up in Gumbo Gaol.