Faux 3-Needle Bind-Off
Step 1: Place RHN into next st on the LHN as if to knit, using this same RHN, pick up one stitch from the cast on. Knit these two sts together.
Step 2: Repeat Step 1 so you have 2 sts on the RHN. Pass the second st over the first stitch on the RHN to bind off one st.
Repeat Steps 1-2 for the Faux 3-needle BO.