A mechanical warning flag system for a water ski boat. The earpiece enclosure includes one or more enclosure ports that couple the internal enclosure volume to the volume outside of the earpiece. The method further includes scheduling retransmissions, as needed, for given ones of the data packets on one or more second carriers. The insertion portion is provided to extend from one longitudinal end area to the other longitudinal end area of the opening portion. The lowering step is interrupted prior to the wire bonding tool contacting the first wire bond.