who's finishing move was the boston crab
Boston crab On September 30, 2017, Jonno Mears became the first fighter in Mixed Martial Arts history to win a fight with the Boston crab.[3][4]
Dungeness crab The Dungeness crab, Metacarcinus magister (the naming convention recognized by WoRMS) or Cancer magister (the naming convention recognized by ITIS), is a species of crab that inhabits eelgrass beds and water bottoms on the west coast of North America. It typically grows to 20 cm (7.9 in) across the carapace and is a popular seafood prized for its sweet and tender flesh. Its common name comes from the port of Dungeness, Washington.