Can あなた have a キャップ for your club, if so how?

I don't believe so. I've never heard of it being done before... I believe caps, for certain clubs, are only promotional things for upcoming 映画 and very 人気 clubs.

Of course, あなた can always Eメール ファンポップ and ask them to clarify.

No I dont think あなた can.. Maybe u shuld look at the FAQ....theyre down below at the very bottom