I want to start a raffle series where I teach about a topic. I might not make new raffles regularly, but I will try to make sure each raffle is thorough. I've thought of two potential topics; please choose one in the poll or leave a comment telling me what you want me to teach if it's not one of those.

Also, I'll be raffling degreasers because I want to make sure I can afford to make a lot of raffles and because degreasers are an awesome weapon.