content: If you are going to purchase these cables I highly recommend getting the Black & Decker Cranial Expansion kit as well. I don't know what marketing genius came up with idea of selling the two separately but they should be bound in an iron shirt and flayed with a pumice stone, but I digress. I used the aforementioned Cranial Expansion Kit to enlarge my head making installing these babies a snap. I won't lie though, even with an expanded cranium I can feel the cables pressing down on my optic nerve. But let's be honest, who needs to see light when you can hear the movement of the spheres. If you don't already have these you aren't really living. You are more of a mewling fetus, helpless and pink, squirming across the surface of your mother straining to find nourishment. Get these babies pronto, and listen to the ethereal tones of God's creation in motion. The sound of Mercury distorting Earth's gravity tether to the sun is sublime.