Semugadziri anotungamira uye anogadzirisa zvezvigadziriso, isu tinofara kuunza yedu yemhando yepamusoro uye inogoneka chigadzirwa, Thumb Screws. Aya ma screws akagadzirwa aine nyore mupfungwa, achipa mhinduro iri nyore uye inoshanda yezvishandiso zvinoda kugadziridzwa kazhinji kana kuomesa nemaoko. Ne ergonomic dhizaini yavo uye yakasarudzika mashandiro, edu Thumb Screws ndiyo yakanakira sarudzo kune maindasitiri ari kutsvaga zvinonetsa-yemahara yekumisa sarudzo.