Some typical piano tuning applications: From prime to base: a tuning lever, a felt mute, a rubber mute, a felt temperament strip (remaining), and a Papps mute. Common applications for tuning pianos include things like the tuning lever or "hammer", a range of mutes, as well as a tuning fork https://johnathanadcyu.dgbloggers.com/31271839/piano-service-options