Just did a bit more searching and found this site that seems to have a product, though I'm not sure if it is actively in production and available. Source: over 2 years ago

Jewelry (ring, necklace, bracelet, earring) seems perfect for physical authentication devices: it's easy to carry, always available, and hard to lose. In the middle ages nobles used signet rings to stamp official documents with their unique personal pattern. In modern times, you can stash a Yubikey in a bulky wristband or put it on a necklace chain, but these are not very stylish. There are a variety of "smart... Source: about 3 years ago

> Having all API docs one key press away is profoundly empowering. > While Dash is a $30 Mac app, there’s the free Windows and Linux version called Zeal[1], and a $20 Windows app called Velocity[2]. Of course there’s also at least one Emacs package doing the same thing: helm-dash[3]. [0] https://kapeli.com/dash [1] https://zealdocs.org/ [2] https://velocity.silverlakesoftware.com/ [3]... - Source: Hacker News / almost 2 years ago

Https://velocity.silverlakesoftware.com/ uses the same underlying docsets and whatnot. Source: almost 3 years ago