One fly or two?
Does fishing multiple flies hurt more than it helps?
by John Juracek - Wednesday, Nov 22nd, 2017
https://www.hatchmag.com/articles/one-fly-or-two/7714499?fbclid=IwAR1y4R9s0ugrDZDG5yb39hiYJPeJn1dldsAY0kHgDeOk1TQqbZgSyQiAgOA