If they are out of stock check with TNVC.com here https://tnvc.com/shop/kinetic-consulting-nerd/
 
*If Purchased Between June 21 and June 28th it will ship on the 29th. I am out of town teaching*
 
Night Vision Elastic Retention Device (NERD) is a simple but effective retention system for your Night vision devices, thermals, range finders, etc.
 
Instructional Video available above
 
1x NERD comes in each package.
 
Lifetime warranty through Flatline Fiber Co.