This bit by Professional's Choice has a shank length that provides some extra leverage. There is quite a bit of weight behind the mouthpiece allowing a quick release from the riders hands. The chicken choker mouthpiece has an ample amount of tongue relief but is quite aggressive on the pallet.

Professional Choice

Chicken Choker Bit

Mouth: 5 1/8"

Port: 3 1/2"

Cheek: 8"