Boeing 737 towbar.
https://diqn32j8nouaz.cloudfront.net...r_fullsize.jpg
Previously:
https://www.homemadetools.net/forum/...615#post102043
https://www.homemadetools.net/forum/...217#post211259
https://www.homemadetools.net/forum/...044#post207301
https://www.homemadetools.net/forum/...806#post140260
https://www.homemadetools.net/forum/...749#post213005
