Technically you can get dermal electrodes at a medical supply pharmacy. They sell them for at home EKGs and big ones for automatic defibrilators. However I'll leave the experimentation up to you. I'm all set. Let them figure the stuff out before you DIY. Sewiouswy

Wake up Neo... The Matrix has you. Follow the white rabbit. Knock Knock.

Well I do have one table. Its very long against the windows so you'll all have to sit on that side.