Weaver Leather Professional Argentine Bit, 5" Copper Correction Mouth, This stainless steel bit features a 5" copper correction mouth and 6" Argentine loose cheeks. These low leverage training bits are commonly used as a transition bit from a ring snaffle to a fuller shank bit and can be used by any level of rider needing a softer feel. Designed to be used with a curb strap, these bits help introduce young horses to curb pressure. Please note: Horses should never wear a bit when tied.