Cast on an even number of stitches + 2 edge stitches
Rows 1 and 3: knit all stitches.
Row 2: 1 edge st., *1 st. knit, 1 double st.,* 1 edge st.
Row 4: 1 edge st., *1 double st., 1 st. purl,*, 1 edge st.
Edge stitch : slip the first edge stitch as if to purl, and knit the last edge stitch as it appears.
Double stitch : insert the right needle under the stitch from the previous row and knit both together.
HAPPY KNITTING.

