Step 2: Materials and whatnots.
1.) Bra Underwire.
2.) Diagonal Cutters.
3.) Chainsaw Sharpening File. I picked up a 3 pack of different sizes from Harbor Freight for like 5 bucks.
4.) Pliers. Anything will work really. I like vise grips, but feel free to use whatever you have laying around.
5.) Needle Files. Again, purchased from harbor freight for a pittance.
6.) Wet/ Dry Sandpaper. Get the black stuff, silicon carbide. Assorted grit pack from Harbor Freight cost very little.
7.) One thing I have not pictured here is a bastard file. You can get by without it though.
This is a suggested list, however, I assure you that you can make these beauties with various tools. Feel free to make substitutions based on what you have at hand.