This is my favorite way to work the 1/1 RC twist without a cable needle. First move both stitches to the RH needle and then switch their positions. It's a little fiddly but it works for me!
by NotikaLand crochet and knitting
by Sheruknittingcom
by Bethintx1
by OrigamiSage
by Creative Channel
by Edinir- Croche
by Karen Bestwick