Hi All,  I figured out that the 'mystery tool' I found at Bob
Streicher's is a 'finger-held' voicing tool.  I'm inclined to
believe that he designed and made it for his own use.

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

 [ Voicing Tool
 [ http://www.mmdigest.com/Attachments/15/10/24/151024_110529_voicing-tool-1.jpg
 

 [ Finger-Held Voicing Tool
 [ http://www.mmdigest.com/Attachments/15/10/24/151024_110529_hand-voicing-tool-1.jpg