NKTM Golf Brush Club Groove Cleaner, Nylon and Wire Bristles Dual-sided Brush, 25.8 In Retractable Zip-line Carabiner, Ergonomic Design Lightweight Easily Attaches to Golf Bag Wire bristles for quick and efficient cleaning of irons while on the fairway. Nylon bristles for easy cleaning of woods and shoe spikes/cleats. Sharp spike for stubborn dirt and grime in grooves (Comes with plastic cover). Ergonomic, lightweight design. perfectly snug in your hand. and you get more support. The 25.8In retractable zip-line carabiner makes it easy to attach to your golf bag and easier to clean your clubs. 100% satisfaction guaranteed. Any reason, if you don't love it , you can get a full refund.