I have four really awesome soft hackles I use for warm water.

For 'gills, I tie one with a peacock herl body and another with black dubbing. They seem to like it when it falls very slowly or sits just under the surface.

For crappie, I tie bead head soft hackles with either chartreuse wire or red wire. The red almost always works. Let 'em sink and hold on. They'll usually hit it on the fall.