For split travel keyboards I've heard good things about this flat ball hinge model, which folds up into a square: https://shop.goldtouch.com/products/goldtouch-

For split travel keyboards I've heard good things about this flat ball hinge model, which folds up into a square: https://shop.goldtouch.com/products/goldtouch-go2-wireless-bluetooth-mobile-keyboard-pc-mac https://shop.goldtouch.com/products/goldtouch-go2-wireless-b...