1. Black Electrical Tape for covering up useless LEDs. If you use masking tape, the light still shines through.

  2. Static Cling Window Tinting for dimming the brightness of digital clocks (does anyone still use clocks) and necessary LEDs. You can order a swatch from Decorative Film.

  3. Flicker-free Computer Monitor. It is entirely possible that caring about PWM makes you a crazy person on par with worrying about other fringe techno-medical concerns, but the flicker-free (PWM-free) monitors tend to be the nicer ones, and anyone can appreciate a nice monitor. And yet there is an article on PubMed that says, “An abnormal alpha band synchronization under visual stimuli was confirmed in migraine; this phenomenon was reversed by levetiracetam preventive treatment.”

  4. Shade 5 Welding Goggles. These are, like, the world’s darkest sunglasses.