How to Play with 2 Players on the Nintendo Switch: 7 Steps
Amazon.com: 8BitDo Pro 2 Bluetooth Controller for Switch, PC, Android, Steam Deck, Gaming Controller for iPhone, iPad, macOS and Apple TV (Gray Edition) : Video Games
Amazon.com: GuliKit No Stick Drift KingKong 2 Pro Wireless Controller for Switch/Switch OLED, First Bluetooth Controller with Hall Effect Sensing Joystick, No Deadzone, Auto Pilot Gaming, Motion Sense[New Patent] : Video Games
The best controllers for PC gaming in 2023 - Polygon
Insten 2 Pack Controller Grips Compatible With Nintendo Switch Joy-con Controllers, Blue, Red : Target
Nintendo Switch | Pairing Multiple Controllers - YouTube