4x D-Rings for use with included Shoulder Strap or optional Stingray Waist belt (KSWB1) Combined Front & Bottom Flap: Gives Access to Battery / Media compartment, Gives Access to MixPre-3 & MixPre-6 top mounting point, Folds down & reattaches to Bag's Bottom Front, Folds completely back & up to reattach to Bag's back top