1.GENTLE ON SENSITIVE SURFACES This climbing brush has been expertly crafted for rock types such as gravel and sandstone, providing perfect bristle quality for delicate surfaces. With firm grip and gentle touch, it maintains the integrity of wrinkles and pockets without affecting the composition of the rock. 2.PORTABLE LIGHTWEIGHT This small and lightweight climbing brush features meticulous workmanship and ergonomic handle for comfortable, precise brushing. Take it anywhere and enjoy perfect grip control and careful cleaning with every climb, all thanks to its perfect workmanship. 3. use: this climbing brush made of natural beech and wearresistant materials ensures longlasting use. Soft boar bristles ensure perfect cleaning, while the handle provides effortless gripping power for the climbing experience. 4.CONVENIENT CORNEAL FIGHTING Our climbing brush's 2in1 design removes calluses effortlessly, while the builtin file provides added functionality: it keeps your hands in top condition.