There are variety of reasons why a horse will buck. The first thing I will look at is the equipment that is being used. Does the saddle fit right and is it pinching the withers? Is the bit properly placed in the horses mouth and the headstall fitted correctly? Is the rider cinching the horse up too tight? Is the rider riding the horse correctly or are they off balance and using the reins for balance? Are their feet in good shape? Sometimes we need to look at the simplest things before we try ...