Every step to making a knife from a lawn mower blade is in this video. Please click the picture to see the video. The minimal you need is:
Long reach pliers
used motor oil
and last but not least........ Awesomeness
This is no small undertaking, but not impossible.
My style of format on instructables is video format. For all you who like written instruction only... Tuff cookies. I have put much effort into my videos so you can see the steps in action. Please click on the picture which will send you to the video, and enjoy!