Originally Posted by WhyFi

Without loosening, try pulling the lever straight out and rotating - mine have a spring and teeth; I assume that most others are the same.

Originally Posted by LesterOfPuppets

Some of them are that way. There are others that are like pseudo QRs that you can orient any direction. With Rock Shox Maxles, for instance, the lever can rotate freely, then you put it in a channel to actually turn the axle.

https://www.youtube.com/watch?v=xH54fozbo4I