How to Make 10-Second Prairie Points ... or in my case, dragon spines!

Prairie points have been around for eons, and many quilters use them to decorate the edge of a quilt.  But they're not just for quilts:  I used them this week to make the row of spines down the hoodie and tail on my son's Toothless dragon costume!

Like everything else, people have designed all manner of ways to make something really simple, well, hard.  For example, check out this tutorial for continuous origami prairie points.  I'm impressed -- it's really clever -- but I like the plain, simple way my mam-maw taught me.  And it takes -- literally -- like 10 seconds.

It goes like this...