Some popular piano tuning resources: From top rated to base: a tuning lever, a felt mute, a rubber mute, a felt temperament strip (left), as well as a Papps mute. Frequent tools for tuning pianos contain the tuning lever or "hammer", many different mutes, plus a tuning fork or Digital https://damienzbtke.blogprodesign.com/52631786/5-simple-techniques-for-piano-repair