Seriously, I struggle to call it a "tutorial".
1. Get a paperclip. I like the colourful ones for this.
2. Flatten out the paperclip
3. Bend it into a "U"
4. Twist the ends together.
Estimated start to finish time: 20 seconds
... I told you it was easy.
This silliness came along after I broke almost all my crochet stitch markers. You know, the clip ones, made of stiff plastic? Yeah, they don't work all that well. So while I was sitting around at work on a very quiet long-weekend day, I twisted several of these into shape to use.
Now I must get back to knitting.
Have an awesome week!