Five-Point Poly Webbing Bondage Harness (Nylon Webbing, 3 Horizontals) armbinder At each point that the

At each point that the webbing "locks" in place

The webbing itself is two inches wide and has a breaking point of 600 pounds

The bicep straps and the wrist strap use tension lock buckles that make them effective for self bondage

Then the whole harness can be tightened as well

The sizing is for the size of the elbow opening (the circumference at the top of the armbinder)

Five-Point Poly Webbing Bondage Harness (Nylon Webbing, 3 Horizontals) armbinder At each point that theThis nylon webbing harness is designed with adjustable straps to fit just about any size. If a single model fit is desired, the straps can be trimmed easily as is shown here. The webbing itself is one inch wide and has a breaking point of 600 pounds, so it is extremely secure yet comfortable to wear. The straps are stitched strongly and are dually adjustable for optimal placement of the buckle. For extra padding on straps, see this listing: Padded