Some areas of San Francisco are so steep that the sidewalk literally is a stairway; other times it’s just more interesting to have a stairway between streets… or a slide. I once saw a grown man with a briefcase matter-of-factly go down this slide and continue on his way down the hill. Why not?
for all your fancy pencil needs. In the same building, you have a bunch of nice other stores (fancy japanese object, magazine, ceramics & a brunch place.)