It only twists in one direction.
I purchased a case of these twisters to use in my weaving studio for twisting fringe.  Unfortunately I didn't realize it only twisted in one direction, which makes it useless for my purposes.  I've beem saving the unopened case for a workshop coming up, and therefore I missed the return window.  Learning experience for me, as I'm out money for 11 twisters!
Rating: 2 stars