Best Buy (insignia) must have had a ton of spare Wii nunchuck connector parts laying around with which they decided to repurpose for these extension cables. Here's why. The clear plastic loop on the connector used originally to fasten the wrist strap to was left on the male end of the extension cord. This is a problem because not only do we not need a wrist strap on the end that plugs into the Classic NES, or anywhere on the extension cable for that matter. But the clear plastic loop actually totally blocks the 2nd player controller female port on the Classic NES console. Terrible design. Essentially, if you only want to play alone, buy this extension cord. And only buy one of these because you will not need a second as it will be rendered useless by the first. Since discovering this, I have realized that many manufacturers on extension cables for this system have made the same grave error. I found one of the Rain Forest retailer's site. Take a look for yourself.