We produce new "D"-ring tabs and sell them exclusively in our eBay
store, link below.  For simplicity, I do not do phone or email orders.
You are not required to have an eBay account and can purchase as a
guest.

https://www.ebay.com/item/293063291651 

Howard Gustafson - Ragland Piano Co.
Texarkana, Texas
http://www.ebaystores.com/raglandpianocompany