Pyrography is the art of "drawing" on wood with a heated stylus.  Although it may look quite simple in practice, pyrography at the highest level is certainly not. If you were sketching in pencil on paper and you either make a mistake or wish to change then quite simply you have an eraser at hand. But when you are actually burning an image on timber and you do something wrong, or change your mind...well... reach for another piece of timber and..