Hidersine 6C Deluxe Rosin Hidersine 6C deluxe rosin is a premium Dark rosin, a little softer with more grip than its harder, lighter-coloured siblings: 1C, 3C and 12C. Played by many a pro cellist, Hidersine 6C deluxe strikes a fantastic balance between grip and subtlety of expression. At its core, the rosin offers superb levels [...]