Butterfly Yoke Pattern #6

MATERIALS—Two balls Coats Six Cord Mercerized Crochet Cotton No. 60.

Ch 68, turn and make 19 rows of 21 sps each, then start butterfly. For back and front pieces have 21 sps and for shoulder pieces just have 19 sps for width of lace.
Outer edge is 4 sc in each sp.
Inner edge is made by putting 4 tr tr in every 5th sp, skipping 4 sps between, then sc over middle stitch between shells.