Thanks Tom for the reply. Lim <blockquote type="cite">On 12-Apr-2012 9:00 PM, "Tom Driscoll" <<a href="mailto:tomtuner@verizon.net">tomtuner@verizon.net</a>> wrote: Eric Schandall from Steinway explained in a voicing class to the Boston chapter that the intent of wire-staple component of the Steinway hammer is there to support the shoulder . It's a tone thing more than a mechanical aid to hold things together. Not to discount the benefit of the wired hammers as we see the detatched felt on some verticals with the staple pulled out of the moulding. The true wired hammers will stay together no matter what the glue does .Years ago one of tech reps from a now long gone company (started with a W) told us the staple was there because we expected it to be there and it served no purpose other than perceived P.R. Tom D. ----- Original Message ----- From: "Ron Nossaman" <<a href="mailto:rnossaman@cox.net" target="_blank">rnossaman@cox.net</a>> To: <<a href="mailto:pianotech@ptg.org" target="_blank">pianotech@ptg.org</a>> Sent: Thursday, April 12, 2012 8:38 AM Subject: Re: [pianotech] Hammer stapling > On 4/12/2012 2:14 AM, lim hock seng wrote: >> >> Hi, >> These may be posted before but I just w...</blockquote>