Fifty Shades of Grey - THE OFFICIAL PLEASURE COLLECTION. Approved by EL James. Crafted to the highest standards to ensure comfort, effectiveness and durability, the 60 cm long Sweet Sting riding crop boasts leather detail to the black wrist strap and silver colored tip, a nylon braided, flexible PVC core and a soft, textured rubbery handle with noble looking, silver-colored end-covers. This is a very well banlanced SM-punishment tool.