Ib sab-gripping pawg tsav tsheb yog cov khoom siv engineering siv los tsav pawg, txawm ntoo lossis hlau, rau hauv av. Nws qhov tshwj xeeb feature yog lub xub ntiag ntawm ib sab-gripping mechanism uas tso cai rau tsav tsheb los ntawm ib sab ntawm pawg yam tsis tas yuav tsum tau lub tshuab txav. Cov txheej txheem no ua rau tus neeg tsav tsheb pawg ua haujlwm tau zoo nyob rau hauv qhov chaw kaw thiab tshwj xeeb tshaj yog haum rau cov xwm txheej uas xav tau qhov chaw raug.