The Garnish Knife
The garnish knife is definitely one of those knives that many people will never use. That being said, if you like to give your food that extra bit of 'pretty', then you may find yourself in need. Most garnish knives have a blade that curved inward and are used in making certain foods look like flowers or other interesting shapes.
If you enjoy giving your garnished that little something extra then you may find yourself in need of more than just a simple garnishing knife, you can easily find kits that contain an entire slew of garnishing tools.