Leatherwood Bespoke Violin Rosin SuppleLeatherwood Bespoke Rosin's founder, Andrew Baker has emerged as a craftsman in the world of rosin artistry, designing signature rosins as a vehicle to enhance connection between instrument and player. Leatherwood Violin Rosin, Supple recipe, produces warmer tones with consistent, fluid bow action. All Leatherwood Bespoke rosin are handcrafted and ethically sourced from natural ingredients handcrafted in Australia.