(1) Ellipse shape (ovoid olivary oval shaped), more comfortable. This is a restraint system that is both high-function and high-fashion. Made from strong, cold, heavy steel allowing long use and wear. Our blacksmith custom makes this item by hand.

The inside diameter is 5.7 cm x 4.7 cm, the width is 2.0 cm.

(2) The weight of this item is approximately 460g.