ITALIAN BIND-OFF

Bind off using the Italian bind-off method, beginning with 4 rounds of double knitting as follows:
Round 1 (start at purl stitch): *Sl1 wyif, k1*. Repeat from * to * to end of round.
Round 2: *P1, Sl1 wyib*. Repeat from * to * to end of round.
Repeat these 2 rows once more.