this post was submitted on 15 May 2026
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Ah, very interesting. At some point I'll clear room and take my dad's saw. That predates 2003 for sure, but I remember it having a flappy clear cover over the saw and two serrated tails to prevent material slide back (not sure if that's also kickback). It mounts into where the riving knife would be and I assume it's mount is, effectively, a riving knife itself. We never did fancy work though, just plywood shelf cutting (now replaced with a battery circular saw) and ripping 2x4s like idiots.
That blade guard almost certainly mounts to a splitter, which does pretty much the same job as a riving knife. The technical difference is a splitter is mounted to the table, a riving knife is mounted to the motor/blade assembly. Those serrated tails are called anti-kickback pawls, they are indeed meant to arrest a board (sheet, really) during a kickback by digging into the stock by digging into it.