Thomastik Peter Infeld Rosin for Violin

This rosin grips the string firmly, producing a sharp sound, though it tends to crumble and settle on the instrument more than other types during play. The unit I received was damaged and deformed—flattened, likely due to high heat and the pressure of a heavy object—making it difficult to use. The seller handled the matter very professionally: they accepted my claim and sent a replacement free of charge—a different, less expensive rosin, but this time in sturdy packaging. I highly recommend this shop.