Tyco Power Plug
Looks like some sort of auto/rapid-fire device that connects between the SNES and a regular joypad.
Uploaded on 2009-12-24 13:23, 4155 views, rating: bleh
snes
peripheral
wtf
user shouts:
2010-01-03 19:11: I have one, it can save button combinations. It also has saved some combinations for example Street Fighter 2