Switchback Cathedral A Stainless Brass Floral and dots Tom Balding Professionals Choice Professional's Ported Chain 7 Shank Bit Bosch Pro Round Shank Diamond Tile Hard Ceramic Dry Drill Bit 6mm x Cathedral Bit. Professional's Choice Laramie Shank Mini A Frame Cathedral Bit Mouthpiece Width: 5" Bar Width: 3 8" Purchase: 2 1 2" Shank: 4 1 2" Cheek: 7" Port Height: 2 3 4" Width: 1" The Laramie has a swept back cheek and a tear drop loop at the rein, which provides a very forgiving and slower pull. The shanks features give a pre signal for the horse when they feel the rein slide. This keeps the rider from having to engage as directly. The chicken choker is a more aggressive mouthpiece that focuses on the pallet of the horses mouth.