armlock throw; forearm throw
A sumo kimarite where the attacker grabs the opponent's arm at the elbow or forearm and twists them down.
The yokozuna defeated his opponent with an armlock throw.
Underarm throw; 小手投げ focuses on the opponent's arm, whereas 下手投げ uses an inside grip on the mawashi.
Compound of 小手 (forearm, gauntlet) and 投げ (throw). The exact historical origin is uncertain, but the term is well-established in sumo terminology.