almost always includes:
John the conqueror root (sometimes wrapped in a $2 bill).
matched lodestones ("male" & "female") or a pair of scotty dog magnets
perhaps another root (angelica, for example).
bat wings (or a small, plastic bat)
a mercury (silver) dime, or a dime from the year of the holder's birth.
prayer(s), a/o wishes written on parchment (or brown paper bag paper)
African mojo beans (7 or 13 usually).
personal affects or hair from an intended victim (in black magic).
herbs appropriate for the desired charm/spell. . .
the mojo is anointed with specific oils (van van oil, for example) and/or incense and sometimes bodily fluids.