Leisure Arts Mile-A-Minute Shells Afghans Crochet ePattern- 2 shell panel designs so quick and easy it feels like you're crocheting a mile-a-minute. Designs include: sculptured shells and crown shells. Projects can be made using size 4 worsted weight yarn and a US size I-9, 5.5 millimeter, crochet hook. Includes round-by-round instructions and illustrated stitch diagrams. Finished afghans measure approximately 44"x 60" and 45"x 66". Originally published in the February 1994 issue of Leisure Arts The Magazine. 2 page PDF download.