i have some broadhead i was going to use last year(but did not because i got some spitfires from uncle) and i dug them out last nite and run finger over them and they are about as dull and a butter knife,,i was not going to use these as primary hunting heads,but as a head for if a coyote or coon happend by,,has any one ever done this with any succes and if so could u give some tips on how to do so??