A Tong can perhaps be defined as a mutual benefit society for people with a common interest which is illegal or dangerously marginal - hence, the necessary secrecy.
Hakim BeyThere is no becoming, no revolution, no struggle, no path; already you're the monarch of your own skin - your inviolable freedom waits to be completed only by the love of other monarchs: a politics of dream, urgent as the blueness of sky.
Hakim Bey