Aspects of the present invention provide systems and methods relating to online gaming utilizing virtual playing instruments generated from physical playing instruments. Various embodiments of the case are disclosed including: a bracelet or, a universal attachment for any existing metal, plastic or fabric watchband; or a dual-function case that is itself also a watchband. The plug-in unit has microbristles for closing the clearance to the adjacent unit when stored in the subrack. The light being generated defines the lasing wavelength or the lasing frequency. The protective motorcycle impact cage has particular utility in connection with protecting a motorcycle operator and passenger in a collision with a vehicle from any direction. The switching regulator can switch between a pulse width modulation mode and a pulse skipping mode.