It's black when it's not in use, it's red when it's in use, and it's grey when you're done using it. What can this be??
(In reply to
re(2): Maybe... by Gautam)
Another solution is the list is to the reply of "What kind of cigarettes are you smoking" which was posted by Rick and he asked the same question and in reply to that Emon Hunte mentioned that it could have been a clove cigarette........so similarly, I believe that my answer is not completely incorrect.......