Looooooooove this!!

German Short Rows and Slip Stitch Edge version.

240 sts.
Row 1 (RS): Knit to end of row.
Short rows Part 1
Row 1 (WS): Knit to one st before end, turn work.
Row 2 (RS): Work double stitch (DS), pm, knit to one st before end, sl1wyif.
Row 3 (WS): Knit to marker, remove marker, turn work.
Row 4 (RS): Work DS, pm, knit to one st before end, sl1wyif.
Repeat Rows 3 and 4, ending with row 4 until worked a DS every st except the last, sl1wyif.
Next Row (WS): K1, knit/resolve all DS to one st before end, s1wyif.
Cut.
“Transition rows”
Row 1 (RS): Join Color B, knit to one st before end, sl1wyif.
Row 2 (WS): Knit to one st before end, sl1wyif.
Short rows Part 2 (no marker needed)
Row 1 (RS): K2, turn work.
Row 2 (WS): Work DS, sl1wyif.
Row 3 (RS): Knit to DS, knit/resolve DS, k1, turn work.
Row 4 (WS): Work DS, knit to one st before end, sl1wyif.
Repeat Rows 3 an 4 until worked a DS every st except the last, ending with row 3 (knit to DS, knit/resolve DS, k1).
Next row (WS): Elastic bind off