AQHA 2015 Rule Book | Page 148

and hackamore/snaffle bit working cow horse classes at the same show; a) If three (3) working cow horse classes are held at a show they will be the following: i) senior working cow horse shown with bit ii) junior working cow horse shown with bit iii) hackamore/snaffle bit working cow horse (Horses 5 years of age and under as of January 1 of current show year, may be shown in either a snaffle bit or hackamore.) 106.13 NRCHA rules allow for a spade bit or a bit having the following characteristics; one with an unbroken bar mouthpiece with 2.5 cm or higher port measured from the bottom of the bar to the top of the port. There must be an operable cricket or roller (with single for multiple rings) incorporated within the mouthpiece of the bit. It is legal to have a barrel, made of copper or metal, wrapped around the bar space of the bit and is to be considered a part of the mouthpiece. The barrel must be round, smooth, and made up of one continuous, unbroken piece. The minimum diameter, on any part of the bar of the mouthpiece, is .8 cm. Bars must be round, oval or egg shaped smooth and unwrapped metal. Latex wrap or any foreign material is not acceptable. Nothing may protrude below the mouthpiece (bar), such as extensions or prongs. The cheeks must be connected at the bottom. The overall length of the bit will not be longer than 21.5 cm measured from F