Answer: shivs

AnswerCrossword Clue
SHIVSThugs' knives
shivsknife, esp. a switchblade
SHIVSBlades behind bars
SHIVSPrisoners' contraband, sometimes
SHIVSSwitchblades, in slang
SHIVSCon's blades
SHIVSSwitchblades: sl.
SHIVSJoint blades
SHIVSKnives, in prison
SHIVSPrison weaponry
SHIVSPrison weapons
SHIVSSwitchblades
SHIVSKnives: Slang
SHIVSHoods' knives
SHIVSKnives of a sort
SHIVSGang holdings
SHIVSRumble weaponry
SHIVSSwitchblades, slangily
SHIVSSwitchblades, in street slang
SHIVSGang weapons
SHIVSKnives in fights