Answer: thumbscrew

AnswerCrossword Clue
THUMBSCREWTightening gadget
THUMBSCREWEasily turned metal fastener
THUMBSCREWTom's hands are put into torture implement
THUMBSCREWTorturer's tool
THUMBSCREWIndex, middle, ring and pinkie fingers?
THUMBSCREWInstrument of torture
THUMBSCREWTorture device
thumbscrewAn instrument of torture for crushing the thumbs
thumbscrewA screw with a protruding winged or flattened head for turning with the thumb and forefinger
thumbscrewan instrument of torture for compressing the thumb by a screw