I want to make slight changes in mixamo's animations that is what I want. In the default runing animation model holds the gun with both hands and runs but I want him to hold the gun with right hand and shake the left hand while running.
Basically we don't care about what you want to make, show us what prevents you. Why are you unable to do that. Show a printscreen if you cannot describe the error. I still don't know why you cannot customize the animation. You want to shake the hand, ok. But why? What happens when you try to shake that hand with your…