As rape-prevention tips go they are pretty unique. Why? They're not targeted at the potential victim but at the potential rapist.The tongue-in-cheek list - which first appeared in 2011 on a blog by the Washington State Coalition against Domestic Violence - has gone viral after US comedian Sarah Silverman posted it on Twitter.It was retweeted more than 3,500 times within hours.Reaction has ranged from hilarity to outrage - with some people missing the intended irony and saying the list demonises men.The list skewers the usual practice of placing the onus on potential rape victims to change their behaviour.The full list of rape prevention tips:Don't put drugs in women's drinks.When you see a woman walking by herself, leave her alone.If you pull over to help a woman whose car has broken down, remember not to rape her.If you are in an elevator and a woman gets in, don't rape her.When you encounter a woman who is asleep, the safest course of action is to not rape her.Never creep into a woman's home through an unlocked door or window, or spring out at her from between parked cars, or rape her.Remember, people go to the laundry room to do their laundry. Do not attempt to molest someone who is alone in a laundry room.Use the buddy system! If it is inconvenient for you to stop yourself from raping women, ask a trusted friend to accompany you at all times.Carry a rape whistle. If you find that you are about to rape someone, blow the whistle until someone comes to stop you.Don't forget: Honesty is the best policy. When asking a woman out on a date, don't pretend that you are interested in her as a person; tell her straight up that you expect to be raping her later. If you don't communicate your intentions, the woman might take it as a sign that you do not plan to rape her. ..