Lathe duplicator - video

[BuffaloJohn]

That angle grinder mounted like that is the single scariest thing I've seen all month. When it vibrates and pulls out of that All-Round it's launching itself straight at the operator's face.

What? Don't you think that plumping strap at the end of the tool near the place where the tool body tapers away is the best way to hold the tool in? And don't you also think having the guard so you can see the rotating plade as it is just a few inches away from you fingers a good idea?