Abstract: A golf training device, having a shaft having a butt end, an upper grip connected at the butt end, and a lower hand positioner mounted for sliding movement on the shaft. The lower hand positioner includes a contour for positioning a trailing hand of a user in a neutral position on the lower hand positioner when the user grips the upper grip with a leading hand and the lower hand positioner with a trailing hand.

Abstract: An electronic transaction processing server receives and evaluates invoice transaction files. The server comprises a network circuit for communicating over a frame switched network with each of a plurality of participating systems. The participating systems comprising at least one customer workstation and at least one vendor workstation. A session management engine establishes a first secure session with a customer workstation and provides, to the customer workstation, a configuration document. The configuration document enables customer selection of evaluation parameters. The session management engine receives a post of the selected evaluation parameters and writes an indication of the selected evaluation parameters to a rules definition table. The session management engine further establishing a second secure session with a vendor workstation, receives an invoice file from the vendor workstation, and loads invoice line item values from the invoice file to records in a database.