STAND-MACB VESA Adapter for iMac by VIVO - YouTube
M1 iMac Vesa Mount - YouTube
Amazon.com: WTC VESA Adapter Desk Mount Bracket kit for iMac 24 inch M1 Chip Computers, Tiltable, Supports 75 x 75mm and 100 x 100mm Mounting Pattern Stands - Made in The USA : Electronics