This Unique Joy-Con Grip Lets You Play Switch Games With One Hand – NintendoSoup
This Joy-Con adapter lets you play Nintendo Switch with one hand | Eurogamer.net
Modder releases one-handed Nintendo Switch controller adapter | TechSpot
HandyGames Deluxe Pack (Multi-Language) for Nintendo Switch
Amazon.com: One Handed Gaming Keyboard and Mouse Combo,Rainbow Backlit 39 Keys Mechanical Feel Portable Mini Gaming Keypad+RGB Gaming Mouse+P6 LED Backlit Converter for Xbox One/Xbox 360/PS5/PS4/PS3/PC : Video Games
List of One-Handed Switch Games : r/NintendoSwitch
HandyGames Deluxe Pack | Nintendo Switch | Japanzon.com