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A Touch of Whimsy Hat pattern is found "here" in pdf format.
A very good provisional cast on video can be found here.
A note about Annie Modesitt's slip stitch edging; this slip stitch edging is available online in free patterns by Ms. Modesitt. I also emailed her and asked if it were okay with her if I used this edging in my pattern and she said, "Of course, I don't own the stitches."
HAPPY KNITTING and GOD BLESS!!