Provided is a technique for eliminating buffer and transfer of a packet which is not required for an MN in a handover mechanism in which a packet to be sent to the MN performing handover is buffered and the buffered packet is supplied to the MN after the handover. In an exemplary embodiment, a first compartment holds a drink of choice, such as soda, water or juice, and a second compartment holds a food of choice, such as popcorn, pretzels or chips. According to this method, data is collected about each mail piece, and that data for each mail piece is associated with a respective holder that holds the mail piece.