A GoldStar 3DO controller that comes bundled with a GDO-101M model.  The top of the controller has an extra controller-in port for daisy chaining extra controllers.
<a href="//commons.wikimedia.org/wiki/User:Evan-Amos" title="User:Evan-Amos">Evan-Amos</a>
<span class="int-own-work" lang="en">Own work</span>