Good idea- - - -it would be a pretty simple matter to set up a jig for a small angle grinder to get a uniform bevel on all the teeth, similar to what's used to sharpen a chain saw.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!