Evolv Bouldering Brush Wood. Looking for that ultimate friction tool? Well you found it folks. Bringing you an affordable 100percent real Boar's hair bristle outfitted on sustainably sourced bamboo. Specifications for Evolv Bouldering Brush: Manufacturer: Evolv Color: Wood Weight: 2 oz Application: Climbing Training Features of Evolv Bouldering Brush Boar's Hair removes grease from your proj Boar's Hair removes chalk from plastic holds Increases Friction Package Contents: Evolv Bouldering Brush Evolv EVL0109-999: Bouldering Brush Wood Evolv EVL0109-999: Bouldering Brush Wood