Spartacus's 4'/1.2m Leather Leash is made with flexible leather. 
 
A total classic, this bondage accessory comes to you in durable leather showcasing some sturdy swiveling hardware. There's lot of length to play with, letting you reign them in or generously grant just a little freedom, all depending on the situation at hand. Clip it to a favourite collar, cuff or other preferred play gear.