In the first phase, the wrist is in straight position (locked), drwa opponent's arm towards yourself.

Proper grip.

Improper grip.

In this technique, the opponent who has the higher grip has the better chance to win.

In phase two, pay attention to side pressure on the opponent's arm.

In phase three, slide your elbow on the diagonal towards yourself, while attacking the opponent's fingers. It's a large error to first slide your elbow and only then attack fingers.

For beginners, raise your finger to understand and remember the right track for the movement. It's also very important to stiffen your fingers while side pressuring your opponent.

While fihting over the top, the shoulder of the fighting arm must be higher that the opposite shoulder. Correct position of shoulder.

Incorrect position of shoulder.

Fighters training for over the top should use a belt attached to pulley. Hold the belt so that one end covers the finger bones, and the other covers the middle part of palm. Correct belt grip.

Incorrect belt grip.

While gripping the belt, remember to keep a 90 degrees angle between forearm and belt.

Bicep curls with hammer grip. Begin exercise with moving your back backwards. Angle between arm and forearm is fixed, 90 degrees.

It's a common error to lower shoulder or wrost. The reason is usually too much weight on the stack, making it impossible to properly execute the exercise.