Rnd 40: C4b slipping 1st st pwise, , k to 2 before marker, ssk. [Move the piece away from the tips of the needles, and with a separate strand of yarn, cast on X sts for sleeve. Work 8” (or desired length) in stockinette st.
Break yarn from sleeve. On RS, with strand from body
of sweater: k1, k2tog, k to last 3 sts of sleeve, ssk, k1].