This and the posts about the stick/branch/twig/divining rod/etc. remind me of the lines from Mallrats about the old Magic Eye pictures:
It's a schooner! No, it's a sailboat (censored from original) A schooner IS a sailboat, stupid head!
Bachelors Guide to Laundry.
Took this myself this evening in a restroom on a dinner boat in Amsterdam:
o