DuttonBitsSquare Smooth SnaffleThe square bars place more direct sharp pressure on the bars than compared to traditional smooth barsThis can discourage a horse from pulling on the bitThis bit works mainly on the bars with lots of lateral flexionOffset D Ring43-64Dutton Square Smooth Snaffle Offset D Ring places a more direct or sharper pressure on the bars than that of a traditional smooth snaffle d ring. This bit is not a bit that you ride in all the time but a tool to help if you have a horse that is bracing on your hands.