you guys are worrying about bolts failing? Bolts similar to those off of which people whip 20 feet, repeatedly? I don't think you need to worry too much about your toprope anchor in that case.
You could also just use two quickdraws (ducks). Thousands of people do, and they're still here.
Or perhaps give triangulation directions to it in relation to the toblerone bar display, "Life is good" frisbees, and dog accessories aisle. Always start with shared known locations.
word is it was someone climbing the 5.8 shit start to free for all, fell, and landed on his head. he was carried out, conscious, in a litter.
Bill - good to see you today. knowing my identity - with great power comes great responsibility!