Amazon has put up a listing for the Switch Joy-Con Swivel Grips, revealing several details and images. If you are interested, the latest Nyko accessories for Nintendo’s hybrid console is available for purchase with this link. You can also take a look at what the swivel grips look like with the image located just below this paragraph (additional images can be viewed in the aforementioned listing).
The accessory is designed to provide a traditional controller-like feel when holding the Joy-Con sideways. You can find the full product description of the Nintendo Switch Joy-Con Swivel Grips below:
Get a new hold on the Joy-Con controller with Swivel Grips for Nintendo Switch. Swivel Grips add a controller like grip to the Joy-Con controller and provides a more ergonomic feel than the Joy-Con alone. Perfect for longer gameplay sessions. The grips swivel into place to provide more of a traditional controller-like feel or collapse and attach the Joy-Con to the Nintendo Switch. Swivel Grips do not need to be removed to attach the Joy-Con to the console and the functionality of the face and shoulder buttons are preserved. Installation is simple, just separate the top and bottom piece of a Swivel Grip and place the Joy-Con inside.
The Nyko Nintendo Switch Joy-Con Swivel Grips are now available in North America.