MIMO transmitting apparatus wherein data to be retransmitted and data to be transmitted anew are rearranged, thereby using HARQ technique to improve the reliability of the system transmission, while increasing the system throughput and improving the efficiency of the whole data transmission. A drum is provided that has at least one sealbar and perforation assembly. A mail creating section creates e-mail directing to a destination mail address belonging to each group. When the number of tracking area update messages meets the update message criteria and when the number of connected wireless devices meets the connection criteria, the second tracking area configuration is used at the access node. As the club head strikes a golf ball, the insert may compress, thereby allowing additional contact between the groove and the ball to impart spin on the ball.