Increase spin and control with the Caddy Splash Golf Club Groove Sharpener — the ultimate groove tool for golf clubs. Built to sharpen golf wedge grooves, and bring your irons back to life, this durable, easy-to-use tool works on U, V, and square grooves to deliver maximum spin and performance in minutes. Enhanced Spin Performance – Sharpen and clean your grooves to increase backspin by up to 3x, giving you more stopping power on the greens. Works on All Groove Types – Perfect for wedges, irons, and comes with 3 tips. Works perfectly for U-grooves and V-grooves! Durable Build – Premium hardened steel construction for long-lasting performance without dulling or breaking. Convenient – Compact enough to keep in your golf bag; quickly restore grooves before a round. Easy to Use – Simply match the tip to your groove type, make a few passes, and watch your spin return instantly. The Caddy Splash Team does not recommend clipping it to your golf bag as it is not allowed under USGA rules to use mid-round. Caddy Splash is also not responsible for lost parts from this product. If you have any questions please email support@caddysplash.com.