If you are scared that your wife will cheat on you while you will be gone on business trip you should buy a voodoo dick. All you have to say:"voodoo dick, my pussy!" But you should be careful what you say.
Be careful with voodoo penis! Man who bought voodoo penis was stopped by the policeman on his way home and the policeman was wondering what is woodoo penis. He said the wrong words and voodoo penis started to work.