What made "Salt Shaker" so inescapable? It was the perfect storm of three elements:

The didn’t just release a song when they dropped “Salt Shaker” ; they delivered a cultural earthquake that peaked at #9 on the Billboard Hot 100 and became the quintessential crunk masterpiece. The Formula for a Classic

It was simple, rhythmic, and designed for the club. It turned "shaking like a salt shaker" into a permanent fixture of the pop-culture lexicon. More Than Just a Hit