Harness racing use a standing start. The sulky (informally known as a "bike") is a light, two-wheeled cart equipped with bicycle wheels. The driver (not a "jockey", as in thoroughbred racing) carries a light whip chiefly used to signal the horse by tapping and to make noise by striking the sulky shaft. There are strict rules as to how and how much the whip may be used; in some jurisdictions (like Norway), whips are forbidden. For exercising or training, the drivers use what is known as a "jog cart," which is a sulky that is heavier and bulkier than a racing unit.
Horses in the Middle Ages horses (but never as cart horses). The well-bred palfrey, which could equal a destrier in price, was popular with nobles and highly ranked knights for riding, hunting and ceremonial use. Ambling was a desirable trait in a palfrey, as the smooth gait allowed the rider to cover long distances quickly in relative comfort. Other horse types included the jennet, a small horse first bred in Spain from Barb and Arabian bloodstock. Their quiet and dependable nature, as well as size, made them popular as riding horses for ladies; however, they were also used as cavalry horses by the Spanish. The