Provided are a file management method and a mobile device to perform file management. The actuator assembly includes a cylinder, a ram, and a bore extending through the cylinder and the ram. The treatment device creates localized outwardly deformations in the membrane adapted to create a massaging effect in the user’s hand andor wrist. An SD network controller is located on at least one of the plurality of server IHSs. The pocket insert securely maintains the treatment head module in position without over compressing soft or injured tissue. In the process, the drying step is interrupted with a dryer kept in a heated state and thereafter the drying step is restarted.