Silver Torque Slave Bangle Hammered Plain Design. A 925 Sterling Silver Torque Bangle which is open at the back to make it easier for putting on and off the wrist. We offer this Silver bangle in 2 designs: Plain polished or with a Hammered finish, both with small hallmarks. All our Silver Bangles are manufactured in the UK. The Silver bangles can be engraved and are boxed.