Court line taping machine. 1:13 video:
https://www.youtube.com/watch?v=QIE5OyLIQEo
Previously:
https://www.homemadetools.net/forum/...891#post119616
https://www.homemadetools.net/forum/...362#post116616
https://www.homemadetools.net/forum/...298#post116295
https://www.homemadetools.net/forum/...221#post116003
https://www.homemadetools.net/forum/...340#post113308