Don Stauffer:
I haven't tried one- I am afraid of spattering paint all over my workbench. Do these things spin slow enough to prevent that?
I use my Dremel, much like Hawkeye, but I use a piece of sprue, shaped like a "T". My dremel has a high and low setting......use the low. I haven't had any problem with paint splattering. I have noticed a HUGE difference in paint quality and longevity. All my caps stay white as snow now, and I can actually get through a whole bottle of paint without it going bad!