SUNEX TOOLS Crowfoot Wrench Set 9720A - The Home Depot
How to use a crow's foot wrench adapter. Demo done on Yamaha R6 chain adjuster nut. - YouTube
Intro to Special Wrench and Socket Terms and Features
Crows Foot Wrench Set (SAE/Inch) Easily Access Hard-To-Reach Areas, Ideal for Tight Spaces, Great for Automotive Repair Work - Includes Sizes: From 3/8" to 1 Inch - 10-Piece Kit With Clip-on Organizer :
3/8" Crow Foot Wrench 10mm | TengTools
Crowfoot Wrench | National Museum of American History