Answer:
Six letters it contains. Take away the last and only twelve remains. What is the word?
What can run but never walks licks but never talks has a bed but never sleeps has a mouth but never eats?
What kind of band never plays music?
What has a neck but no head?
I am the kind of food monkey likes and people slip on me and fall in cartoons.
No matter how little or how much you use me, you change me every month.