🙋‍♂️The holes on the Chucks a̶l̶l̶o̶w̶ ̶w̶̶̶a̶̶̶t̶̶̶e̶̶̶r̶̶̶ ̶̶̶i̶̶̶n̶̶̶ ̶̶̶s̶̶̶o̶̶̶ ̶̶̶y̶̶̶o̶̶̶u̶̶̶r̶̶̶ ̶̶̶s̶̶̶o̶̶̶c̶̶̶k̶̶̶s̶̶̶ ̶̶̶g̶̶̶e̶̶̶t̶̶̶ ̶̶̶w̶̶̶e̶̶̶t̶̶̶ allow your feet to "breathe."

On the right is an accumulator—they're effectively small batteries. They store a few milliseconds' worth of power and keep data flowing through the cable even during minute fluctuations in electrical supply in the devices at either end.

The last two are decorative. 😅