Durex Pleasure Curve condoms provide a new fit along with a new angle on pleasure. This advanced, curved condom design provides increased pleasure and excitement for both partners along with great comfort and heightened stimulation. How it works... Pleasure Curve is designed to be put on with the curve facing downward. Make sure the reservoir end is up. Ribs at the top also indicate which side is up, even in the dark. This makes the condom looser at the top. The latex is now free to move, enhancing pleasure and providing additional stimulation for both partners.