This electric drug trip of a doorway recently manifested on the side of Amnesia. I had hoped and expected they were slinging sloths as pets, or maybe were some sort of preposterously pretentious a-lister exotic meats supper club, but turns out it's just a pop-up
art piece shilling for J. Otto Seibold's latest book from McSweeney's, Lost Sloth.
Disappointing! (But well played, McSweeney's.)
Update: We walked passed a couple of times and never saw them open, but “Grizzled Mission” comments that they were open last night, selling “books, t-shirts, and baby clothes were all available, and sloth-emblazoned.”