This page holds QR Collars as shown in pictures.  They come in various sizes but if you need one of them to be shorter, let me know and I can shorten them. I can even turn them into QR martingales, over the head Martingales OR snap slip.  $1 extra.

QR Collars Mixed lengths
XW QR $15 Normally $20
Medium Metallic QR Collars
XW QR $15 Normally $20