A few months ago My partner Trina and I attended a one-day workshop in pyrography at the Buckingham Summer School. Pyrography is the art or craft of burning marks into wood or leather using tool with a hot tip. We got there a little late an missed the introduction but it didn't seem to matter much - it's simple enough. Just use the tool like a pen, adjust the heat as required and be careful not to burn your fingers. A few hours of messing about produced these masterpieces and a few other scraps. I thought it would be fun sometime to do some animation this way - unnecessarily labour-intensive animation techniques are always interesting!