Abstract: A control interface for controlling the operation of a dispensing device may be provided. The control interface may include a display screen for individually presenting each of multiple options that may be utilized for controlling various operations associated with the dispensing device. The control interface may further include a navigation control, in communication with the display screen, which may be utilized to individually navigate through each of the options on the display screen. The display screen may be actuated to select a displayed option that is associated with performing a dispensing device operation.

Abstract: The disclosure provides a fit-check device and associated methods. In some embodiments, the device may be used in conjunction with a rigid or semi-rigid partially circumferential concussion-mitigating collar to determine whether the collar is appropriately sized for the user and is applying the desired amount of force to the neck veins.