Log grapples igenewe gukora ibikorwa byubwoko butandukanye. Log grapples ningirakamaro mubigo byimbaho. Bafasha kugabanya umubare wimirimo yintoki, bityo bakongera umusaruro.
Ababigize umwuga bakora ibishushanyo mbonera kugirango bahuze amahame ya tekiniki akenewe. Imiterere yihariye y'urwasaya ituma ikora neza ibiti bizengurutse ibiti n'ibiti. Ibikoresho bikoreshwa byoroshye kuva kuri cockpit yabakoresha ndetse no gukora ibikorwa bigoye nko gufata ikirundo cyibiti cyakonje cyane.
Urutonde rwumwuga rugaragaza imiterere itandukanye ya grapples, nyamara zose zashyizwemo rotator - uburyo bwihariye butuma grapples izunguruka dogere 360