Hand motions are not required to use the force. The perfect example is in the Empire Strikes Back when Darth Vader faces off with Luke just before he cuts off Luke's Hand. He's force throwing all ... It appears that Jedi or Sith with advanced knowledge of the force can use it without any gestures of any kind. read more
Darth Vader has demonstrated that you don’t need hands to use the force, demonstrated from him force choking his officers without hands. Darth Traya, a lesser known Sith can wield 3 lightsabers using the force without even using her hands. It’s all mind and brain work, nothing physical, just mental. read more