An envelope!
E-ronimo!
An Envelope EDIT: My deepest Canadian apologies to those who are calling this a riddle. I always took it as a cheesy joke
Because he was a slave to the cistern!
Khaki
Buy 2 get 1 free
Someone told him it was 2's day.
None, they were all minerals.
Nevermind, this riddle is too easy.
Seals.
Because blackmail is illegal.