I have swapped plastic pins for ebony and then brass on the same guitar and the difference in sound was very noticeable - there was an increase in brightness and shimmer on each swap but the ebony was distinctly more brittle - a bit like the click of fossilised wood on the Rolf Harris recording of "Sun Arise". My quarrel with the E-Z peg is the assertion that the direction the string travels is beneficial. It seems to me that it reduces the moment of the string tension about the top, so reducing the complexity of the vibrations of hte top, the main reason for the superiority of sound of pegbrige flattops ofer tailpiece flattops. There is also a lot of twaddle on the website about how strings are held by being wedged in the hole by the peg whichis not what happens. What I was hoping for was the benefit of practical experinece of the E-Z peg.

As to the inner bridge plate, I have found a similar product to the one I could not find at Kalamazoo music.

Mitchel's Platemate