The BB Warrior talks about the best way to use a 2-point sling in airsoft. For the review, he takes the Viking Tactics MK2 Upgrade Sling which comes with added textured rubber pull and the buckles are metal with elastic tow bands for easy mounting and adjustment... "Today we'll be taking a look how I've found the most effective way to run a sling in airsoft, as well as a review of the Viking Tactics MK2 Upgraded sling."