Here are just a few:. Mutual masturbation — Masturbating next to your partner lets you share an intimate experience without exchanging bodily fluids that could lead to pregnancy or STIs. Non-manual stimulation — You might also try stimulating your partner with your toes or feet. And elbows, knees, and whatever other body parts seem fun to play with. Breast play — Did you know that the nipples are a major erogenous zone?