Making a prop from scratch takes skill, but aging the prop so that it looks like it’s been around for a few years takes talent. Now, it’s well known that Terra from HalloweenForum can build anything. I mean, I honestly think she could build a structurally sound house out of styrofoam if she wanted to. But when she needs to make something look old, or grunged up, she’s definitely got the talent to make it so. Her video tutorial on how to Grime Up Props details exactly how she does it, and it’s the perfect guide for anyone who needs help making props look and feel like they’ve been around for years. ...