Being able to undock your Nintendo Switch and take Mario games with you wherever you go is absolutely brilliant. But if you’ve ever played the Switch in handheld mode you’ll know that things can get a little cramped. Those tiny buttons on the Joycons and the lack of a grip on the back are hardly ideal. A grip is a decent solution, but what if you want something more substantial? Well, that’s where this review of the Fixture S1 and its official case come in. This handy device lets you use a Pro Controller with your Switch in handheld mode.