Replaced the Felt, Glued it in. Needed the glue, didn't know some of the tabs had broken off when I ordered the stuff, so glad I got the adhesive. Video was great.
Not hard at all, but a bit 'gee I need three hands' when I was putting it back together trying to align everything and make sure the felt was on the right side of the drum all the way around at the same time. I finally got a corner lined up put in a screw and was able to keep it loose enough to go around the tumbler and align it all as I went. So that will work or have someone else around to lend a hand for 5-10 minutes.