Method and apparatus to protect the lower legs of a pair of pants when worn with a shoe comprising and open back. A control unit is connected to the generator for controlling the generator to produce the electromagnetic radiation in bursts of light pulses each having a predetermined number of pulses of light for treating the hair fibers protruding from the skin surface. The biasing force may be provided by at least one of a spring, counterweight, or offset of the center of gravity of the reflector or other attachment, or some combination thereof. The number of cores operating has a hysteresis characteristic in which the number of operating cores is different between increasing and decreasing times of the overall operating rate. The method includes identifying a best method for delivery of a message including considering preferences of a sender and a recipient and sending the message from the sender to the recipient using the identified method. The contestant may then posit a putative answer to the question, based on the compilation proof.