Locking Buckles Strait Jacket. This straitjacket is made out of two layers of strong leather also plain INSIDE which force the victim into an extreme bondage situation. The several D-rings allow to restraint the bottom tighter and tighter as also is the lacing at the side for complete body restraint. Three straps in the back take also the last possibility of movement away. The exterior of the jacket is made from supple high quality leather, whilst the interior is fully lined in the same quality leather. Fully Lined supple Cow Leather Riveted Straps without face mask. With Locking Buckles . FAQ: Q 1:how strong are the straps. A:this jacket straps are strong ,we use thicker leather for straps .