Kev sib hloov Grapple yog unlimited clockwise thiab anti clockwise nrog muaj ob style, rau ntoo tsis muaj hniav;rau pob zeb nrog cov hniav;Nws yuav ua rau kom muaj kev tuav tuav ntau heev.Nws yog ntau yooj yim rau installation thiab txij nkawm.