Encoded digital symbols are transmitted via a first pair of antennas and at least one second pair of antennas. The apparatus includes at least one beverage hopper for retaining a quantity of partially frozen beverage. Security between components may be enhanced without having a negative impact on usability of the system. In a preferred embodiment ratio is 6:1 to 1:6. In a specifically preferred embodiment, the suture is formed of biodegradable polymer capable of forming a self-tightening knot. The production method can be carried out in a simple and energy-efficient manner.