The original, made in Germany! First step is to put the dispensehead into the just opened wine bottle. Then screw the round nut loose to push the feed pipe to the bottom of the bottle. Afterwards tighten the nut again. Next is the installation of the gas-throttle. Therefore put one of the provided protective gas capsule into the casuleholder and screw the holder fast tight again. Then plug the gas-throttle into the dispensehead. The unique wine dispense system is ready to be used now. To dispense the wine hold the glas under the openening of the feed pipe and push the lever slowly and with care. Please read the instruction in this packaging careful.