Glue-Doodling. What’s that, you say? Okay, we admit, it’s a made up word. But that doesn’t mean it’s not real. Here’s the Holster Brands definition: Glue-Doodling - The process of drawing, sketching or squiggling hot glue onto a Hobby Holster so that when the glue dries and cools, you have the satisfaction of peeling the glue right off. Our warning: stock up on extra glue sticks. It’s addicting!