I am guessing these are used for binding..?
I recently came across that term and it opened up a whole new world of aesthetics for instruments..
Take a look at this one
https://www.ebay.com/itm/333125404660
I recently came across that term and it opened up a whole new world of aesthetics for instruments..
Take a look at this one
https://www.ebay.com/itm/333125404660