The Edgar Sherman Design Sling, ESD Sling, was designed with purpose, research, extreme testing, and a collection of user experiences. The ESD Sling is adaptable to the end user. The ESD Sling is highly customizable to any rifle, sub-gun, shotgun, hunting rifle, bolt action, and PDW weapon system. The ESD Sling features an elastic regulator that allows the sling to stow against the side of your rifle.