Each slot is completely isolated eliminating guitars from hitting each other and causing damage. 2 Step, injection-molded, rubber-coated neck supports and cradles hold guitars firmly in place without any harm to finish. Universal cradles will accommodate acoustic or electric guitars & basses. Split neck support design keeps guitar perfectly straight up when placed facing right or left - Necks will not Touch! Folds flat for easy transport or storage. Convenient locking casters allow easy mobility when loaded.