Erotica Ribbed condoms are designed to arouse intense sensation with rows of latex ribs for ultimate stimulation. How to Use erotica Condoms Carefully open the wrapper and take out the condom. Place it on the tip of your fully erect penis. ... Pinch the air out of the tip of the condom. Unroll it all the way down your penis. When sex is finished, hold the condom in place at the base of your penis while you pull out.