other three massages are abdominal prostate massage, perineum massage, peripheral anal prostate massage and inner thigh massage. you may Google for the
websites by using the related words.
There are many yoga postures for increasing sexual stamina. You can google a phrase' Yoga postures to increase sexual strength' you may pick up any convenient exercise of massage. If it is done regularly, you may achieve your desired goal and increased health and zest in life. Wish you best of luck.