How to Use Your MacBook in Closed-Display (Clamshell) Mode
Amazon.com: FLEETGA All-in-One Laptop Stand [Multifunctional] Vertical Laptop Stand, Clamshell Mode, Laptop Riser, Tablet Holder, iPad Stand, Compatible with MacBook, iPad, Surface, and More for up to 17” Laptop : Electronics
Use a MacBook Air/Pro in Clamshell Mode with Mac OS X Lion | OSXDaily
Using Luna Display in Clamshell Mode - Knowledge Base
CLAMSHELL: Setting up and operating a Mac laptop in clamshell mode – SVALT
Used a very weak fridge magnet and some masking tape to force my MacBook Pro into clamshell mode without closing it, so I can use an external monitor, without sacrificing the thermals.
How to Connect MacBook to Monitor Closed (Clamshell Mode) in 2021 - EASY - YouTube
Clamshell mode - Working with the MacBook closed » Sir Apfelot