Some typical piano tuning instruments: From top rated to bottom: a tuning lever, a felt mute, a rubber mute, a felt temperament strip (still left), and also a Papps mute. Typical applications for tuning pianos contain the tuning lever or "hammer", a range of mutes, as well as a tuning https://music83108.dgbloggers.com/31271251/fascination-about-piano-repair