crochet edge - chain double crochet in base of chain and don't pull thread through the last loop twice, this leaves 3 loops. Pull chain through 3 loops, skip 2 stiches of your base work and single crochet in the stitch.
Invisible Stitch #3 6. Take hold of yarn hanging out bottom of your 'ladder', running up middle of your two squares. Hold that firmly. Pull gently on yarn emerging from top of your ladder. 7. That ladder has disappeared! It's largely invisible. Now do your 'making stitches invisible' bit, - pulling. Just make sure bottom part of yarn is held firmly in place. 9.Gently pull top one into place.