you can make a ferris sweep. you would just choose which side you’d want and setup your layout with QMK. If you want Bluetooth, just use the nice! Nano controller. A coworker built one. It’s tiny, about the size of your hand. He would also carry it around in his pockets and connect through USB to his phone for emails.

The only problem is he customized the hell out of the layout. I think he used Colemak. His layers kinda looked like this:

Image

He said he had trouble using regular keyboards after getting used to it. He always had to carry it around with him.