I didn't learn till I was a teen(I was taught several times, but have never been a fan of non-sandals so always forgot within a day or two). Then I found what

I didn't learn till I was a teen(I was taught several times, but have never been a fan of non-sandals so always forgot within a day or two). Then I found what it actually is, it's a doubly slipped square knot, a square knot is right over left and left over right, and slipped versions are usually just finishing with a loop that goes back the way it came, so I can figure it out from the much easier to memorize verbal description.