WTB: A Wearable Terminal

[Terminusvitae]

I'm looking for a wrist- or arm-mounted terminal with all sorts of weird and wonderful cables and/or functions. Kinda like the link below, but it doesn't have to be new or top-of-the-line:

https://www.barcodefactory.com/zebra/mobile-computers/wt6000/wt60a0-tx2newr

[Querjek]

Seems like something you could turn into a fun DIY project with a mini PC or Pi and pay far less than the $2400 quoted on that page :D