Chums The Orbiter Long Eyewear Retainer – Rigging Shoppe
The Slim – Chums
Chums™ Original Cotton Eyewear Retainer - Polarized World
Amazon.com: Chums Kid's Original Cotton Retainer - Unisex Eyewear Keeper for Sunglasses & Glasses - Adjustable Fit, Washable & Made in USA (Youth, Black), One Size, (12112100) : Tools & Home Improvement