I have not,however it does not have the "cat tongue" effect like the one in your above link.
I did measure it and it was exactly 1 inch across the top with 6 flats. ---- SAWMAN
Wondering what the two holes in the upper guard were designed for. --> ?? <--
For paracord to make a spear ?? To be slipped onto something kinda like a bayonet ?? --- SAWMAN