Small metal devices worn on the rider's boot to help enforce the leg aids. Come in a range of severety, from very mild blunt spurs to severe roweled models.

made up of heel band, shank, and rowel, the spur is a tool used to persuade but not injure, the horse.

(climbing irons) - A pair of metal shanks with a sharp point at the base, strapped onto the inside of the leg and under the foot, used for climbing wooden poles.

stubby, often sharp twigs.

Sharp nails grown on males shanks, occasionally a hen will grow spurs.

Sharp points that prick or a tubular or sac-like extension of the corolla or calyx of a flower.

The sharp pointed protrusions on a rooster's shanks.