There are all kinds of knives. Many people collect knives. Pen knives are carried
in many peoples' pockets. These are sometimes known as pocket knives. Hunting knives
are used for hunting, and kitchen knives are used in kitchens. Some knives are dull,
like butter knives. A knife is a useful tool.
And don't forget forks and spoons!
Some knives are dull, like butter knives, but most knives are meant to be sharpened.
Knife sharpeners are used to makes knives razor-sharp.
Handmade knives are available for purchase online.
