If tea ceremonies, flower arranging and archery come to mind when you think of Japanese culture, think again. What happens behind closed doors in this seemingly reserved society is way beyond your wildest dreams. Japanese style bondage is as cultural an experience as any when you have your partner tied up in several feet of black cotton rope. Use alone for a simple, yet enlightening sexual experience, or pair with other bondage accessories for even more Far East fun.Diameter is .38 inch.