BlackBerry ACC-18960-201 Carrying Case (Holster) for Smartphone - Black - Leather. Carry your BlackBerry smartphone in style with the BlackBerry Swivel Holster. Your BlackBerry smartphone works with the custom designed BlackBerry case to maximize battery life without missing a message, and allows users" to create personalized in-holster profile settings. The holster also is designed with a newly designed BlackBerry swivel clip which provides the user maximized comfort wearability.