In this tutorial, we learn to improve your Wi-Fi sign with a espresso can. Materials you will need are : a knife, a coffee can, tape, USB Wi-Fi adapter, and marker. First, measure 1 inch from the underside of the coffee can then trace your USB around that mark. Now, cut a hole in that form within the can. Next, cover the outlet with your tape. Next, hook your USB up to your cable adapter, and then place it in the espresso can. Now, plug your USB into your pc and it's best to have more indicators bars for Wi-Fi than you had before you started!