Make 1 Right:
Make 1 Left:
If my pattern doesn't specify Make 1 Left or Right, I use the Make 1 Left.
I hope this helps you.
The Knit Witch does good videos, clearly and slowly.
Our KnittingHelp owner (Amy) has video clips here, too.
Up at the top of this page, you'll see TABS. Click VIEW VIDEOS>Increases>then find M1.