>turn a bible upside down
>read it from back to front out loud
>stand on toilet (running water)
>while high on pot, slice penis open length wise still reading backwards from upside down bible
>let blood drip into toilet
>flush while blood still dripping
>when the last of the water goes down the little hole, yell out
<SATAN I AM YOURS GRANT ME [X] where x is the thing you want
>wait three or four days
>when penis scabs over completely, enjoy newfound wealth/power/happiness/whatever