The invention is directed toward a device and method for attaching one or more paintball pods the underside of the air canister of a paintball marker. A band of material encircles the canister, either covering the entire bottom and mid-section of the canister as a one-piece jacket or cover, or encircling the canister through a flat harness body with a retaining loop around which double-sided Velcro.RTM. cinches the harness body to the canister. The harness can be made of a number of different materials with some combination of non-skid and cushioning characteristics. The device protects the air canister, makes retrieving paintball pods easy and efficient, and presents a much smaller target than do other means of providing replacement paintballs. The invention also allows the player to gain mobility, as he/she does not have to deal with paintball pods flopping around during running, diving, crouching, jumping and crawling activities.