"Jet JTAS10L-301 Riving Knife is an accessory of table saws whereby it minimizes the possibility of table saw kickback since the wood does not grip the blade while cutting. It also stays in a fixed position with respect to the blade even when making changes on cutting depth hence providing an unintermittent cover. The riving knife is designed to run parallel to the blade unlike conven... https://www.wholetoolbox.com/jet-jtas10l-301-riving-knife