Once you've tried a Giffin Grip you'll never want to trim your pots without it! The Giffin Grip Model 10 was designed with production potters in mind, or any potter that gets tired of trimming. It takes valuable time to properly re-center a pot and firmly secure it to the pottery wheel before starting to trim. The Giffin Grip solves this problem with its soft grip adjustable handles that have already been centered for you. There's no reason to second guess your centering job or re-adjust, the Giffin Grip is ready to go. Each Giffin Grip comes with a variety set of handles and rods measuring at different lengths. Simple swap out the long handles for shorter ones when it's time to trim mugs or small bowls. The giffin grip is a real time saving pottery tool- once you've tried it you'll never go back to your old ways of trimming again.