ProActive Sports Groove Doctor - Retractable Brush and Groove Cleaner for Golf Clubs and Cleats ADVANCED METAL ALLOY BRUSHES - Eliminates the need for multiple brush heads, works to clean clubface completely without scratching and strong enough to clean cleats BUILT TO LAST - Both the brush and retractable mechanism feature sturdy construction RETRACTABLE CORD - Provides easy access throughout your round GROOVE CLEANING TOOL - Cleans hard to reach dirt that builds up in the grooves of your clubs and breaks up caked-on mud ERGONOMIC DESIGN - Easy to grip and effectively clean your clubs