Step 1: Materials
* a piece of tin foil (or other conductive materials)
* electrical wire
* Polyurethane sponge (with scouring pad)
* a knife (i used my scalpel) or scissors
* hacked USB keyboard
Step 2: Rip it apart
Cut it in two and cut a round hole in the middle.
Step 3: Fan it out
Tape this to a piece of tin foil and fold it to the size of the scouring pad.
Repeat this step