Originally Posted by xenologer

I'd be wary of anything other than an all steel enclosed cam QR skewer having enough clamping force to resist a disk brake.
The security bolts designed to be difficult to grab to guard against unauthorised removal, often are also difficult to grab for tightening.
Had a customer at work who's disk front wheel self loosened from under a security skewer. was less expensive obscue bolthead type, not pitlock, but the principle is the same. - a skewer originally meant to bite down on the fork with a cam action, is replaced by a rather small headed bolt