Amazon Japan has started taking international pre-orders for the Dragon Quest Slime Controller for Nintendo Switch.
The Dragon Quest Slime Controller is a wireless controller with the same buttons as the Nintendo Switch Pro Controller. It supports motion controls and has a turbo function (button hold for 5/10/20 seconds) which could be tied to any button that you like.
Also included with the controller is a complimentary Dragon Quest themed stand for your Nintendo Switch.
Pre-order here (ships worldwide, launches September 27, 2019).