From Germany... Oval shaped leg openings for comfort on these Heavy Duty Leg irons.

Chunky and solid with a very satisfying sound as it clicks closed! 10 inch chain with a center swivel. Adjustable, can fit over many boots.. esp. Combat style boots. From these pictures you can see you can use these leg irons in a number of different imaginative ways.

Shown here with the Medium weight Clejuso Handcuffs (HC18)