Video of Te makura
Te makura, (טה מקורה) literally 'pillow hand' in Japanese, is an elbow arm lock that uses a sacrifice throw to leverage the weight against the limb.
Description of Te makura
By pulling the opponents arm, straightening it at the elbow to the front of the face and making it parallel to the ground the defender can wrap his arm around it. The defender further strengthens his grip by grabbing the back of his own head with the same arm, pillow-like. The defender then falls to the ground on his back taking with him the opponent.