Step 1: Buy Parts
3 foot 3/4" PCV pipe
3 foot 3/4" Wood Dowel
3" of Rubber like from a bike tire
3/4" fender washer or washers to squish rubber to dowel and still fit in 3/4" PVC pipe.
1 Wood screw or Sheet Rock Screw
Step 2: Assemble
Cut two small pieces of rubber. Use the washer and screw to fit them to the end of the dowel. Squish them nicely and leave 1/8" of rubber around the edge cut off excess.
Slide rubber end of dowel into PVC. Use some lotion as lubrication. Fit the cork to the other end of the PVC, sand the PVC or cork with sandpaper if desired.