How to cut HSS tools?

[Tony Wells]

I usually end up with shorts after a lot of use. I have notched and broken plenty, and it works, but be careful of not just your eyes. Sometimes the piece will come off with the speed of a bullet. You wouldn't want it to hit you anywhere, or bounce off your _______(insert fragile, delicate whatever here).

Cutoff wheel works wonders. I never really liked getting it that warm though I know it's not really supposed to hurt most HSS, but I don't trust that it won't have any bad effect.