The animation isn’t properly smoothing between keyframes. It’s suppose to look like this robloxapp-20200811-1359058.wmv (271.0 KB)
But on the two frames where it’s throwing the mine on the left arm, it jumps to the keyframes instead of tweening between them. robloxapp-20200811-1358209.wmv (263.1 KB)
It isn’t as obvious on video, but it’s painfully obvious look at it normally. The keyframes aren’t even on any special easing, just linear.