If you are wanting to shorten it,
Posted by: roanguy on Oct-27-12 7:15 PM (EST)
which I assume you are; You cut off the grip about two inches down the shaft. Then you file the portion of the shaft that is still on the grip down to remove it. Usually you only need to file it in one place, and then peel it off.
Then cut the shaft to the size you want it, and re cement the grip back on.
Make sure you don't over file or over sand the grip portion