The question on everyone’s lips

Twitter user Tropical Depression has spotted a perplexing sign:

https://twitter.com/dubsteppenwolf/status/892512259972489216

“Consensus here seems to be that a shoe is a foot sandwich” writes @Dubsteppenwolf.

“Flip-flops are boneless shoes” notes @Eggsandmarxism.
Source: Twitter/@dubsteppenwolf