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The good thing about a diamond blade is that it won't cut through your skin. Burn through maybe if your drunk enough to hold it there that long.
If you do go that route use a dust mask and they work...

Diamond blade would do it best. You can get these to fit 4" grinders,7" grinders, skill saws, tile saws. You might want to look into renting one of those or find a buddy that has 1. Buy the blade...