Bob Avila Signature Shank Correction Bit "Another variation of the Avila Correction Bit that I use on everything from a young colt starting in the bridle to older finished show horses. I really like this shank as it offers somewhat of a different 'feel'
The 5 1/8” smooth bar swivel port provides both collection and independent cheek action. This helps the rider to effectively lift one shoulder at a time. Port: 1 1/2"