Another trick John taught me. Your average everyday coffee-mug-heater-gizmo is a great glue pot heater. For the glue pot, that creamer server you never use...
I go to Jamba's Junktiques for all of my kitchen-utensil-lutherie needs. It's close and perfectly packed with stuff. This may be a bit off-topic, but the coffee mug shot made me think about a blog I saw about coffee (follow the title link).