Wine corks are larger than the opening in wine bottles, and a corker which compresses the cork is almost essential for insertion. A good corker will compress the cork, which has been soaked to soften it, and insert it in the bottle without major strength being required of the wine maker.

There are many types availableThe lever corker is a good compromise between cost and ease of operation. Single and double lever corkers are available and both make the job relatively easy.

Bench mounted corkers and floor model corkers are suitable when bottling large quantities of wine. They are strong and powerful, requiring very little effort by the bottler.