{HEAD ~ a holder} detachably connected to {TAIL ~ said horn}, said holder having a corned portion which is formed with a slit, said slit being so sized as to snugly catch a base portion of said cutter knife; and 
{ HEAD ~ a holder } detachably connected to { TAIL ~ said horn } , said holder having a corned portion which is formed with a slit , said slit being so sized as to snugly catch a base portion of said cutter knife ; and
HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH