1. "It's like a knuckle duster ," 2. Some medieval gauntlets had a built-in knuckle duster . 3. A collection of 70 knives in scabbards included one with a brass knuckle duster in the handle. 4. For this, AFA promised to pay 500 Swedish kronor and a free " knogj�rn " ( knuckle duster ). 5. The police seized white masks, knuckle dusters , telescopic batons, quartz-sand-gloves and illegal drugs. 6. The episode was subject to criticism when 42 viewers complained about the amount of knuckle dusters , in reference to the Troubles. 7. Discipline was maintained at this time in medieval fashion by use of the birch and the headmaster also carried a knuckle duster . 8. The musician uses a kind of metal knuckle duster with which he plucks the wires producing a sound like a toy guitar ." 9. A new Christmas special episode aired on 25 December 2007 on BBC One, in which knuckle dusters , in reference to The Troubles. 10. CCTV showed that Grant-Murray was holding a wine bottle by the neck and Bourhane Khezihi had removed his belt to use as a knuckle duster .