Harkila Wildboar Pro Rifle SlingHarkila Wildboar Pro Rifle Sling The Wildboar Pro rifle sling is multi functional. You can use it as an ordinary rifle sling, or, by undoing the buttons, split it into dual straps. This lets you carry your rifle on your back, like a rucsac, for travelling over longer distances, or if you need your hands free for some other activity. The underside of the sling has a non slip surface, to stop it sliding off your shoulder, and the sling itself is made