Raws li cov chaw tsim khoom lag luam thiab cov neeg tsim khoom ntawm cov fasteners, peb zoo siab los qhia peb cov khoom zoo thiab ntau yam, Thumb Screws. Cov ntsia hlau no yog tsim los nrog kev yooj yim hauv siab, muab kev daws teeb meem yooj yim thiab ua tau zoo rau cov ntawv thov uas yuav tsum tau hloov kho ntau zaus lossis kev ceev ceev. Nrog lawv cov qauv tsim ergonomic thiab kev ua tau zoo tshwj xeeb, peb tus ntiv tes xoo yog qhov kev xaiv zoo tshaj plaws rau kev lag luam nrhiav kev xaiv tsis muaj teeb meem.