Talk:Yang Xiao Long/@comment-28171999-20161121162903/@comment-25396609-20161121164244

Automail requires direct wiring because they don't have the technology for wireless receivers.

Much like modern prosthetics currently in development, it likely uses some form of electrically sensitive attachment point to read the signal sent through nerves that want to control the missing limb, which would allow the prosthetic arm to respond naturally to signals from the user's body.