Start with a chain multiple of 5+3
Row1 :
1sc in the second ch from the hook, 1 sc in every ch.
Row2:
CH 1 and turn. SC in the first two stitches, CH 3, skip the next three stitches, SC in the next two stitches. Repeat to the end. Your last two stitches will be two sc.
Row3
CH 3 and turn. DC 5 into each space that the chain 3 made all the way. End with one DC in the last SC of the row below.
Reapeat row 2 and 3 until the length desire
Video tutorial here: