if you just can't quite it down when you get one, Mike at Dryad sells some of the brass bushings that go on the limb bolt, they are solid machined piece of brass, it helped quite mine down some, the pressed ones that come on a lot ILF risers can rattle during the shot, can't make them rattle in a static condition, but when you shoot they can. Also I placed a small piece of neoprene in the dovetail slot then inserted the limb and that helped too, a piece of felt in there will work too from what I've read. I tried the neoprene one night when I was looking around for something to try since I didn't have any felt and I spotted my likely to never be used neoprene wader repair kit hanging on my bench and it worked wonderful!