This is an example of a loose ball foul for “clamping”. Players are not allowed to “lock” or “clamp” an opponent, affecting that opponent’s freedom of movement during a rebound of the ball. During the rebounding action on this play, the highlighted player in the white uniform will lock up the left arm of his opponent who is attempting to gain possession of the rebound. This is a loose ball foul on number 3 in the white uniform.