OK, so this is pretty amazing: Etsy seller Brute Force Studios has leather, steamed-out buckler with an equally steampunk wrist-keyboard/touchpad, which talks to your computer over Bluetooth and just, you know, wow.
— 3-in-1 multimedia wireless keyboard (Keyboard, TouchPad, Laser Pointer)
— Control your media while sitting on the sofa, lounging in bed, up to 100 feet away
— Built-in rechargeable lithium-ion battery with a short re-charge time
— Includes mini 2.4 GHz USB wireless receiver
— Wireless receiver stores inside keyboard when not in use
— Stand-by time: 500 – 700 hours
FUNCTIONAL Typewriter Arm Guard with Bluetooth and Touchpad
(Thanks, Roger!)