Our guild used to have a chatelaine we wore at our meetings and mine were pinned to that. These days, they sit in a box in the drawer
Maybe make a sewing machine wall hanging with wide borders and place the pins in it? Here are some small free blocks to start with.
http://www.aqsblog.com/free-patterns...machine-blocks
Also another cute idea
http://www.nancyzieman.com/blog/quil...se-quilt-pins/
This blogger has a few fun ideas, scroll down to them.
https://www.diaryofaquilter.com/2018...llections.html