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.
Harness racing in Australia were made for horses measuring under 15 hands 1 inch, too. In 1893 hopples were used for the first time in a race at a Kensington, New South Wales meeting on the imported gelding, Plain Bill. Early in the twentieth century races for trotters drawing light carts or high two-wheeled sulkies were introduced and later specially designed light, smaller wheeled gigs were used. Sir William Don an inbred Thoroughbred gelding bred by Mr. Mackenzie in 1856 near the Murrumbidgee River became the 13th fastest pacer in the harness racing world. He was by Mozart (GB) from a mare by te