Space Technology Safety English Stirrup Irons are an award winning revolutionary design with outer flexible rubber post that can prevent dragging. Superior strong foot grip stops feet from slipping. The center and outer post stops forward foot slipping and movement. This unique angled foot support keeps you on the ball of the foot and heels down. Beneficial for children's teaching and as a safety aid. The irons have an extended platform providing better foot support and balance to eliminate hip, knee and foot pain.