SC-00 "Clover Bit"BEST SELLER!!! The Original Clover Bit. Boyce started making this Bit in 2003. It provides lateral shoulder control. This bit is extremely effective in tuning, flex, and sharpen the horses response. It gives you little more than the O ring. It's very unique in the way it sits in the horses mouth giving new feel to the rider. It is designed to work similar to an O ring, but you get more Lateral pull across without pulling it through their mouth or