Originally Posted by
SusieQOH
I've searched all over Connecting Threads and can't find them.
I found them here -https://www.connectingthreads.com/tools/Mini_Bolt_Boards__D82488.html - but they are coated on one side only, which means that they are not acid-free. Only one side is coated. That is fine for comic books, but not for fabric that is wrapped around the board.