https://www.youtube.com/watch?v=0oSpYKGOswc
Luis Castillo's slider has averaged 0.0 inches of horizontal movement in 2020. This video breaks down why that number can be a little misleading. It can also be found on Johnny Asel's YouTube page: https://www.youtube.com/channel/UCnvnQkFJpR5WubOr-xplBsQ