Last week we brought you some videos of amazingly sharp knives from around the world. There were three great videos of high quality chef knives showing just how useful a proffesional knife can be in the kitchen.

Well this week we've decided to help you look after your knives with some videos on how to sharpen them. Sounds simple but good quality care of your knives makes them easier to use and will make them last much longer.

Here's a video from chef Marco Buric who shows people how to sharpen a knife using waterstones: 

Here's a Howcast video from knife expert Dan Delavan on how to sharpen knives using steel: