TOTALLY works!
I'm a low-maintenance girl and really not that into hair accessories, but I saw these for $3 at the store and decided to give them a try.  I am BLOWN AWAY by how well these work!<br /><br />I have long, thick hair.  I pulled my hair up like I was going to create a high ponytail, but I did NOT put in an elastic.  Instead, I just started coiling it into a bun.  Once done coiling it, I spun the first pin through the base of the bun to hold the end of my hair down.  Then I spun the other pin across through the body of the bun to hold its shape.  I let go and IT DIDN'T BUDGE A BIT.  It stayed exactly in place and did not try to uncoil.  It stayed neat and in place even when I bumped the bun pretty hard getting into my car.<br /><br />It took less than a minute from start to finish.  SO COOL!
Rating: 5 stars