I don't know, an actually double sided keyboard would be fun too. This might qualify: https://www.micwil.com/images/gallery/safetype_safetype_vertical_keyboard_

I don't know, an actually double sided keyboard would be fun too. This might qualify: https://www.micwil.com/images/gallery/safetype_safetype_vertical_keyboard_p2_686x498.jpg https://www.micwil.com/images/gallery/safetype_safetype_vert...