1.   A book on oysters with an oyster knife, for example.

2.   Place the oyster on a flat surface, flatter side up and slip an oyster knife, church key or dull paring knife into the hinge.

3.   Stiles also is developing an oyster knife.

4.   With an oyster knife, scrape away any barnacles.

5.   The notch is covered with sealing wax and all the oyster-opener has to do is insert his oyster knife in the wax to cut the muscle.