What you will need:
5/16 Nuts and Bolts
I would like to give credit to Nick Valenza, for the basis of my design.
Step 1: Get yourself a chainsaw
First thing is to get yourself a chainsaw. I went a little more authentic to the movie and got a Homelite XL off of Ebay. Before you ask, I didn't ruin a working chainsaw, it was being sold for parts. Perfect.