[pianotech] FW: what is this?

[Jack Houweling]

  _____  

 

I saw this video on You Tube called Pianomania, it has a Steinway concert
technician

named Stefan Knupfer working for Lang Lang, and at 0:47 he shows some kind
of pounder. Does anyone know what it

is or what it does?  Check out video link below.

 

Jack Houweling

 

 

 

http://www.youtube.com/watch?v=HWhRZmaFwLU
<http://www.youtube.com/watch?v=HWhRZmaFwLU&feature=BFa&list=PLEE6173BD97999
F94&lf=results_video> &feature=BFa&list=PLEE6173BD97999F94&lf=results_video

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