Maybe it's just me, but I have trouble seeing how using umbrella rigs could be considered sporting by anyone? Might as well drag a gill net
But,,,, that's just my opinion which doesn't matter to anyone, I'm sure...
"For our discussion of surfcasting is no trifling matter, but is the way to conduct our lives….nobody untrained in fishing may enter my house." - Plato (c.428-c.348 BCE)