Cheese knives

Today, while I was walking in the Fenwick, one thing that came to my eyes is a cheese knife. And I don’t know how to use it at the table. As in the picture, the cheese knife has a stainless blade on one side and forked tip that is used as a lifter for pieces of cheese

Reference : http://www.recipetips.com/glossary-term/t–37396/cheese-knife.asp