In accordance with one or more embodiments, a promotion redeemable at a vending machine is determined. A tilting system is provided for tilting the cutter bar about an axis transverse to the machine so as to tilt the cutting plane from a generally horizontal position forwardly and rearwardly. The reference image frame is displayed prior to the first image frame and is stored in a storage unit. The mesa structure has a roughened top surface and a plurality of roughened side surfaces adjoining the top surface. The select lever is located untouched in a stable position that is settled by the respective magnetic polarities of the permanent magnet and the distal end of the lower part of the lever imparted by a magnetization coil.