Hi All, Has anyone ever seen these extra holes above and below the
note holes in an Ampico B tracker bar?  (See link below.)  If so,
what's their purpose or function?

Musically,
John A Tuttle
Player-Care

 [ Extra Holes in Ampico B trackerbar
 [ http://www.mmdigest.com/Attachments/17/02/07/170207_065201_extra-holes-in-Ampico-B-trackerbar.jpg