A breakthrough in drum case design and construction Ahead Armor Power djembe cases offer a TruForm contoured shape and reinforced fabric to keep your prized instrument safe on the most demanding tours. The to protect your prized instrument design corresponds to the true shape of the drum and its mounting hardware offering a snugger drum fit. The drum-hugging DX core provides the stiffness of two layers of high impact foam padding plus the softness of premium grade Sherpa fleece lining. Plus the case s DynaZip combines an ingenious cutaway design with a zipper that travels along the diameter of the case as well as down both sides of the cutout.