“Maybe you can give me some tips on how to find a girl to join my boyfriend and me.” So says a Brooklyn woman in a three-and-a-half year relationship that she describes as open. Maybe we know voodoo and spells too. That’s not sarcastic; we just might. Regardless, the hunt for the elusive unicorn is on. In case you don’t know, the unicorn is that rare, magical bisexual woman who will jump into bed with with a couple and help them fulfill their fantasies.