Random Riddle: Rebuston

Rebus Rob is a 12-year-old kid who lives in Rebuston, North Carolina. Everybody born in Rebuston instinctively writes in rebus form. But, Rebus Rob wasn’t born in Rebuston; so he has trouble with rebuses. Can you help him throughout his day?

Today, Rebus Rob has gone to downtown Rebuston to go window shopping. In a certain store’s window, Rob saw something labeled:

KKKKKKKKK

What did that stand for?
 

Random Riddle: Rebuston