An adjustable or custom-sized improved headband of uniform vertical height and thickness along its entire length that reduces the force of impact on the player’s head and provides the player with better control in redirecting the ball. The plurality of flattened recycled containers is preferably embedded between a base substrate of plastic and a top layer of plastic. The system detects, among other things wins and losses, and the amounts won and lost by a player. For each respective receive channel, interfering radio signals are generated and the interfering radio signals are controlled to stepwise sweep in frequency outside of each respective receive channel. The method repeats the treatment for a number of semiconductor wafers.