Originally Posted by lungimsam

I have quick releases with levers that lock. No tools necessary. They look and are just like QR's, but they lock when the bike is upright.
Simply flip the bike upside-down and they unlock and you can flip the QR levers open and pull out the skewers like a regular QR.
Then just insert your regular QR's.
Zefal locking skewers. http://www.zefal.com/en/locks/81-lock-n-roll.html

PS - they are exposed cams, so don't use with horizontal drop outs, if you got 'em on the rear wheel. Only use for vertical drop outs.