Over the last few years, fly tying has taken the nymph’s form and made it sleek, denser and a synthetic affair. A bead, wire, synthetic dubbing, a few feather barbs, polyester film make up smaller, sleeker fast sinking nymphal form. Not so long ago, buggy, shaggy, fuzzy nymphs with a bit of wire/tinsel ribbing were the norm. Good to have both in your box. The new materials do make it easier to tie a smaller nymph that travels deeper and suggests the necessary shape.