A variable reluctance position sensor and a method for determining a position of a rotating body are provided. A list of goods or services purchased during a particular customer visit is stored in electronic form and a receipt of that transaction is generated, in electronic or paper form, with the code thereon. As a result, break-in time and generated axial force of the torque-transmitting joint are significantly reduced. An associated guide manual is provided containing English instructions for imparting spin to the cue ball according to the shot. The temperature may also be reduced to below freezing in the drum to reduce the elasticity of the inner containers, and the drum may also be pressurized to implode and rupture the inner containers.