IKEA GYNNSAM Manual page 5

5
— If a knife has become very blunt as a result
of long use or carelessness, you may need to
have the blade professionally sharpened to
restore its edge.
Storing and using your knife
— Avoid cutting through frozen or very hard
foods (for example, bones), because this can
cause the edge to bend or shards to loosen in
the blade. If you cut into hard foods: Pull the
knife back and forth through the food. Do not
rock the knife from side to side.
— Always use a chopping board made of wood
or plastic. Never cut on a surface of glass, 4
porcelain or metal.
— Store your knife in a knife block or on a
magnetic strip on the wall. Storing knives in the
right way protects the edge and prolongs the
life of the knife.