i'm just starting to use 2 heddles on my kromski harp. i have 2 10 dent heddles, using a leftover sock yarn sett at 20epi. i'm sampling right now, as this is my first project with both heddles. my trouble is that my weft is frowning. it keeps curving downward, away from the fell line. i've tried using the sock yarn, 8/2 tencel, and a sport weight cotton as weft. the cotton did work the best, though still had a slight curve. am i using a wrong sett? tension problems? i'd really like to use the double heddle method to increase my sett, to do some more work with finer yarns. any help is greatly appreciated!