The Medium Ridge Runner is a front of the stock rest. It can also be used as a rear bag when shooting with a tall bipods. It has 10in of vertical height, which allows you to shoot those vertical incline shots. Set the bag flat and you will have 4.5 inches for your decline shots. Lastly flip the bag on its side and you will have 7 or 9.5 inches to adjust for your shot. Weight 14.8oz The straps are meant for a couple of purposes. One to strap around underneath your scope so the bag is connected to your rifle. Second tighten the straps so you can allow the bag to have a tighter fill. Loosen the straps to have less fill. The 1inch nylon hook straps/PALS webbing can be used to connect an S-loop hook or slotted male or female quick attach SR buckles.