Imiyoboro ya Captive Thumbs ni udusanduku twihariye tugaragaza igishushanyo cyihariye cyo gukumira igihombo cyangwa gusimbuza umugozi mugihe cyo guterana cyangwa gusenya. Nkuruganda rukomeye rwihuta, twinzobere mugukora ibicuruzwa byiza byo mu bwoko bwa Captive Thumb Screw bitanga ubworoherane budasanzwe kandi bwizewe.