f(x) Amber wraps up her 'Shake that Brass' promotions on 'Inkigayo'

Indeed, time files when you are having fun.

A month after its release, it's now time for f(x)'s Amber to wrap up her 'Shake that Brass' promotions.  That being said, here's her goodbye stage from this week's Inkigayo together with Kei from Lovelyz~