Hi All,  It seems we visit this topic every few years, and it also
seems that nothing ever really changes.  That's the interesting thing
about facts -- they rarely change!  So, I'd like to point you once
again to the excellent article on sealing pouches by Craig Brougher:

  http://www.player-care.com/sealing-pouches.html 

By the way, I just purchased some Hydrophane and will be running some
serious tests to find out if an oil-based sealer is something that
should be used in a player piano.

Musically,
John A Tuttle
Player-Care.com
Brick, New Jersey, USA

 [ Hydrophane reportedly works well on 90-year-old leather; please
 [ also test it on currently available new pouch leather.  -- Robbie