- Extended brushing capability: Designed for gravel and sandstone, this climbing brush keeps rock type unchanged, wrinkles intact, and pockets preserved, while the bristles provide a firm grip on delicate surfaces. - Comfortable portability: Small and lightweight, crafted with careful workmanship, it fits comfortably in your hand and is easy to carry on every climb. - Increased durability: Soft boar bristles and wear-resistant materials improve grip strength. Made from natural beech wood, it offers durable, long-lasting brushing performance. - Convenient 2-in-1 hand care: The 2-in-1 design removes calluses effortlessly, and the built-in file adds hand-maintenance functionality to keep hands in top condition. - Use on sandstone or gravel routes to protect rock texture and pocket integrity while maintaining a secure brush grip. - Ideal for sport climbs and multi-pitch days where a compact, lightweight tool is beneficial. - After climbing, quickly remove calluses and use the built-in file to smooth and condition hands for next ascent.