I'm a sucker for weird and esoteric tags, like these word squares someone has been writing in our neighborhood lately. Each square is a type of acrostic that can be read horizontally or vertically. For example:

T R U S T
R A N C H
U N D E R
S C E N E
T H R E E

#SFGraffiti #WordSquare #Tagger #SanFrancisco #acrostic