Sweetgrass Bamboo Fly Rod Mantra 4/5 wt - 7'9 - 2pc QuadSweetgrass Bamboo Fly Rod Mantra 4 5 wt 7'9 2pc Quad, If you want the best, and the most beautiful rod we can make, then a Sweetgrass Rod is what you need. Each rod starts with Tonkin cane. Split, milled, and glued into blanks, the rods then head to the benches of booboys, where they are finalized into a fishing rod. A Mantra Rods course through the production process is nearly identical to a Sweetgrass. At the point of guides being wrapped on, we use