You can overlap hands if you move them in the same exact time towards each other, so it will be like shaking, tho you can do it with gears as well, it can help you solve some problems, tho it's not fair, tho it's a bug, i guess.
Nothing to do here yet. Nice concept tho. Don't like mining bots, they look stupid and way not "realistic"? I guess. Would've beed nice to have more content.