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Product may vary from picture shown. Product may vary from picture shown. Three strips of hook Velcro on the underside allow the harness to attach to any carrying case with a loop Velcro base. Some cases such as Apple and Calise cases have a loop Velcro base. If you are not pleased with the functionality or lack of security that your current cases harness system provides and would like to upgrade to the Newton Harness System, the same harness system found in the Hand Stand, then order the Case Upgrade today.