Jingle-Jangle Smiling Collared Mom
I love those cheap mail-order collars with lots of rings that jingle against each other with every shake of her head. And this vintage (possibly amateur) happy bondage photo was (if memory serves) part of a set that circulated on Usenet a very long time ago. I found it just now on Erectus:
Greetings from Texas,
I remember these well. Always wondered who this lady was. She had something special.