Quoted from John_I:I put the Pinball Life shaker in my SW and it was really simple compared to the old SAM machines. I really like the way it works compared to the Cointaker shaker in my Metallica. The Cointaker shaker is way too violent. I need to figure out how to adjust the weights on that one to make it less violent.
have a quick look at this pinside thread, https://pinside.com/pinball/forum/topic/how-to-tame-cointakers-shaker-motor I bought a couple of CT's red tremor shakers and they were crazy violent. this little device worked like a charm in my TWD...