Hand (unit) radix numbering system, where a hand is four inches. The hand, sometimes also called a handbreadth or handsbreadth, is an anthropic unit, originally based on the breadth of a male human hand, either with or without the thumb, or on the height of a clenched fist. On surviving Ancient Egyptian cubit-rods, the royal cubit is divided into seven palms of four digits or fingers each. Five digits are equal to a hand, with thumb; and six to a closed fist. The royal cubit measured approximately 525 mm, so the length of the ancient Egyptian hand was about 94 mm. In
Horse show ponies. For example, there are classes for Mountain and moorland pony breeds, show hunters, show hacks, equitation, and various show pony classes. Many clubs hold riding club classes, where a horse or pony must perform a short "show" (solo performance) and jump a single fence that varies in height from 2 feet to 3 feet 3 inches. Most shows also include show jumping and working hunter sections. The British Horse Society oversees many shows at national, regional and local level as does the Pony Club, the British Show Pony Society and the British Show Horse Association. Breed societies, particularly those