"Several years after Newsletter #19 was printed, Elizabeth re-designed the Snail Hat to have three spirals instead of five--and, more significantly, she maintained the sharp fold along the garter-stitch strip all the way to the bitter end by continuing the Make 1 increase and adding another decrease to shape the top."

Errata:
The 3-spiral Dairy Queen Hat on page 96 has an error in the righthand column, 7 lines down. It should read: (P1, P2tog twice, K15, M1) 3 times.

The 5 Spiral hat can be found here: Snail Hat.