I ground the teeth off a worn-out 16" long power hacksaw blade, put a razor edge on the first 4" of it, and it's used for cutting Styrofoam, etc. just like Denny's putty knife. 10 years of use so far, and I think I've stoned the edge twice.
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!