Professionals Choice Bob Avila Twisted Wire Training Snaffle bit affects the horse by applying pressure on the tongue, bars and the corners of the mouth. The O-rings and hinged mouthpiece give the rider more control and poll pressure. Designed for all disciplines and any level of horse. Show ring legal.
NOTE: This bit will rust when exposed to moisture. This creates a sweet taste in the horse's mouth and promotes salivation. - See more at: http://profchoice.com/i-7196088-bob-avila-medium-port-with-roller-bit.html#sthash.XPrAaZiR.dpuf