Yeti Backflip hack for you fishermen out there. Rods butts fit nicely in the side handles and you can even run a velcro strap through the HITCHPOINT GRID on the sides to
YETI Hopper 12 Soft Cooler Bag | Purely Outdoors
Yeti Molle Bottle Opener (Attaches to the Hopper Hitchpoint Grid) : Amazon.co.uk: Home & Kitchen