1) Bareknuckle weapons 2) Certain indexes 3) Clenched hands 4) Clenched items 5) Clenches 6) Dukes 7) Dukes not among royalty 8) Dukes, so to speak 9) Fighting symbols 10) Fighting tools 11) Gets a hand in 12) Handmade things 13) Knuckle sandwich ingredients 14) Knuckle sandwiches 15) Lumps of clay