A client of mine asked me to tie up a dozen Grass Wasps for him before traveling to the Albany River in Ontario. He wanted to fish the wasps near steep fast stream banks and in some broken water so wanted extra flotation and profile. Using soft hackle in tandem with a conventional criss-cross hackle collar will add great buoyancy to this fly when fishing faster water. The added barbell eyes create a distinct profile from below. Using underwing material such as Aero Wing Dry Fly will also help keep the fly in the surface film at the proper angle. Barbell eyes created with 20lb singed mono with 2-3 coats of Sally Hansen Hard as Nails (Extreme) Black Out. Abdomens created with thread teardrop profile then 2-3 coats of Sally Hansen Hard as Nails (Extreme) Black Out. Unlike most UV Resins available you cannot beat nitrocellulose (cellulose nitrate) . Nitrocellulose is a highly combustible material that is also used in making dynamite. It would take a trout a mouthful of dynamit...