If we have to march off into the next world, let us walk there on the bodies of our enemies.
I like Hank, I like that song and I can relate to the self sufficient attitude of rural living completely.
That said...
It is not a "Trout" line.
It's a "trotline" for catching catfish mostly.
The concept is simple ; multiple baited hooks are attached to a main line. Not really legal here. Neither are Juglines, but you will still find them if you know where to look.