The invention is a single piece, self seating and locking dynamic intervertebral spacer. According to the present invention, there is provided a delivery clamp module. The first set of clutch plates is coupled to the backing plate such that the first set of clutch plates and the second set of clutch plates are compressed together with one of the first set or the second set of clutch plates abutting against the backing plate when the clutch assembly is engaged. It may then be determined if there is sufficient merchant specific currency associated with the first merchant in the account to pay for the first transaction amount.