On my tube, I used a plastic Berkeley 3-rod vertical holder that is for boats. I used two 1/2-inch wide nylon web utility belts from REI to secure it to the tube. I just screwed the straps onto the holder between the rod tubes and then they just go around the tube. They have nylon buckles that cinch down pretty well. The holder is like $10 and the straps were like $3 for the pair. Add another to the other side of your tube and carry six sticks! Keeps them out of casting way pretty well.

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Big Hammer Swimbaits-Hammerhead Jigheads
www.swimbait.com
Pro-Cure Scents
www.pro-cure.com