I have a Bowtech Liberty with Copper John Pro II (which has a similar knob on the sight mounting bracket) and the Alpine SoftLoc 5 arrow quiver. My sights came with an allen head set screw that you can replace the knob on the sight mounting bracket with. This allows the clearance necessary to mount the quiver bracket. If your sights didn't come with one, I'm reasonably sure that you can find a set screw that will work at your local hardware store. Overall the quiver works fine and is quiet, though I wish it was more easily removed from the bracket (I take the quiver off the bow and switch it to an additional bracket I have mounted on my climber).