Not a rock lobster. Anyone who get’s this joke, take a bow:) Do you collect rocks when out on walks or from vacations? I do. I currently keep them in jars and plastic bags. This idea for using them to make into rock mats is just the recycled craft project I need! You too? Pop on over to the link sent in by Amanda to the blog Planet Green Recycle for the easy tutorial on how to make a rock mat for storing your wet shoes and boots.