I'm currently selling custom yarn tails in my etsy shop for 28$! Note me here or visit my etsy shop if interested.
I can make acrylic yarn tails with a braided base and any colors that you like. They will come with a keyring and carabiner attachment for attaching to a belt loop or harness.
https://www.etsy.com/listing/190649189/custom-acrylic-yarn-faux-fur-tail-1-12?