Step 1: Supplies!
1. The ability to solder (I'm sure you already know that by know)
2. A soldering Iron (the smaller the tip, the easier it is to solder small traces!)
4. A PCB or something with a trace
5. Something to scrape the trace with (an exacto knife or screwdriver or something else thin)
6. Something to solder to the trace
(Optional) 7. Helping hands to hold circuit boards
(Optional) 8. Flux