The bottle was usually closed with a cork stopper. Unlike a small carafe, a cruet has a stopper or lid. Some test tubes are made to accept a ground glass stopper or a screw cap. The original stopper was a small glass plug. Cheaper wine makers developed the aluminium "Stelvin" cap with a polypropylene stopper wad. At each end was a rubber stopper for the sliding doors. Both chambers are connected via a small hole containing a stopper. Goalkeeper Valdivieso had a reputation as a penalty stopper with exceptional athleticism. The vial stopper does not contain latex. A type of stopper knot is called the stevedore knot. The mouth of the bhann is sealed with a wooden stopper called "mhorannem". Early witch balls often had a short neck sealed by a stopper. The rest of the TV series (and the films) used the original bottle stopper. A small stone is often used as a stopper in the stem. Beverage bottles started using the Hutter Stopper in 1893.