well I learned today that I have been dying my hair all wrong. I should put it on the Styrofoam head and comb the dye through, not just dye it while its sitting in the tub and using my hands to distribute the dye through the whole unit, but its done already so I know now what to do next time.

But I was determined not to use bleach on the knots because I applied bleach to a piece once and so much hair came out. I used sally Hansen airbrush legs and sprayed that on the lace, then used a knot sealer to seal that in and ta da! no more dyed knots showing!!