High-use irons experience wear and tear over time, with the grooves on the face wearing down and the edges becoming rounded, reducing spin. This is especially noticeable on short irons and wedges. Are you having trouble with your short game lately? Repairing the grooves can improve your spin control. Recommended for those who want to maintain their golf clubs for spring, or for those who want to maintain used clubs they received as a gift. Repairs stubborn dirt and restores the grooves of golf clubs that have been crushed or have rounded edges. Can be carried around during a round for unexpected cleaning. 【How to Use】 ① Hold the groove cleaner horizontally. Then, slide it little by little, being careful not to use too much force. ② The amount of material removed increases when the angle is raised and decreases when the angle is lowered. Adjust to your preference. ③ Adjust and shave until you reach your desired depth (maximum about 30 degrees to the floor). You can also search for "golf groove cutting" on YouTube to find usage instructions. 【Specifications】 Material: Metal Color: Blue Instant purchase without comment is OK. Golf ball putter practice bargain stroke score score up iron driver bargain Father's Day present Golf iron polishing groove cutting groove cutting golf club cleaner groove repair tool recommended