Hidersine 6C Dark Deluxe Cello Rosin – handcrafted in England using a historic artisanal recipe. This premium dark rosin offers a soft yet gripping texture (GPR#6), providing warm, articulate tone and excellent string response. Ideal for advanced cellists seeking expressive control and nuanced articulation. Made with natural colophony and waxes, each cake is hand-mixed and hand-poured for consistent quality and performance in temperate to colder climates.