Boston crab
A professional wrestling submission hold where the opponent is on their back and the wrestler applies pressure by pulling back on the legs.
He made his opponent tap out with a Boston crab.
Standard spelling in professional wrestling contexts.
Rare kanji form using 海老 for エビ.
Compound of 逆 (reverse) + エビ (shrimp) + 固め (hold), referring to the bent-leg position resembling a shrimp.