"woodman" wrote: (clip)but I'm wondering why you feel that it might break. ^^^^^^^^^^^^^^^ Two reasons:
1.) The extension that holds the toolrest for outboard turning has to reach around the headstock--it is a "cantilever," (like a diving board.) A diving board is flexible--it can bend without breaking. The toolrest cantilever is cast iron, which is good in compression, and very weak in tension. If you get a moderate catch, the downward forces on the cantilever will break it.
2.) Numerous users have reported that it's happened to them.
The solution, for most people, is not to use it. If you do need to use it for outboard turning, cut a 2x4 or a piece of pipe to fit between the bottom of the toolrest and the floor. Or make or buy a free-standing toolrest. You can even use the 2x4 AS THE TOOLREST. Don't laugh--I've seen it done. Our club periodically has a demo by some turners from a small Mexican town, using a lathe built out of heavy timber. Very primitive, but they do beautiful work.