Authentic OEM BlackBerry 857 Phone Custom Leather Pull Wrist Strap / Lanyard in black. RIM This Official BlackBerry Strap is perfect for when you only have one finger to spare. Its compact, easy-grab design makes it simple to use and install on all types of BlackBerrys. Makes it easy to pull your BlackBerry smartphone out of a purse or pocket when you have your hands full. Genuine BlackBerry product, quality, and performance that can not be imitated. Can be used with an existing BlackBerry case or connected directly to the phone.