Acavallo Arena AluPlus Anodized Aluminium Safety Stirrups Size:One Option This model is made from This model is made from webbing with buckle adjustment and snaps at each end for attachment to the bridle and roller Amanda Lithgow Horse Head Mug The aluminium besides giving the stirrup a sleek and elegant appearance is lightweight and extremely durable while the stainless steel protects the tread from corrosion guaranteeing a long life of the product too The opening of the stress actuated locking and release mechanism is located a centimetre higher from the tread to ensure that the foot cannot slip out laterally by mistake and to prevent sand and dirt from delaying the opening action of the arm in case of an emergency