Üllatusena mõjub pudeli sulgemiseks kasutatav kork. Tegemist on ... plastmassiga, mis oma välistelt parameetritelt sarnaneb piisavalt tavakorgiga. Tänu materjali keemilisele inertsusele on täielikult välistatud korgiveaks kutsutava ebameeldiva lisamaitse ja -aroomi tekkimine pudelis.
Cylindrical stoppers made of cork or another inert substance, covered or not with a technological structure that can take the form of a cap or disc in particular.
Aluminium or tin screw tops, filled on the inside with a disc in cork or inert material and a safety seal which is torn off or destroyed on opening (pilfer-proof seals).