I went to stiffen the springs on the front shocks, and on one shock at about 8 threads away from all the way tight it got really tight. It's stuck there. I try loosening it and it starts to un-thread the shock from the top cap. No matter how hard I try to hold it. WTF. any suggestions on how to get this thing to move. The other one is at 6 threads from all the way tight and it moves easy enough just by hand either way without the tool.