Undoubtedly, you can stimulate :: the penis using just your hands and fingers. The success is guaranteed: you will reach the highest delight and, as a result, the ejaculation. But the man that doesn't want to work with hand should possess something exceptional. And it is numerous sex toys: sex dolls, realistic vaginas, dildos, and many others. As compared with hand masturbation such devices have some advantages: after their use the penis doesn't look slack and drooped. Such toy can work without a break. The hands are free and you can, for example, page your favorite magazines and books. Thus, you get the illusion of penetrating in vagina, anus or mouth. You feel warm and flexible material, and it resembles like if you have sex with real woman.
Prolonging lubes are :: special creams, sprays or lubricants. Their destination is to prolong sex in cases of premature ejaculation. Usually, the composition of such lubes consists of anesthetic (lidocaine, benzocaine and other elements) that benumbs the nerve-endings. As a result, the sensory acuity reduces and the moment of male orgasm is postponed. Sometimes menthol is used as an additional component in prolonging lubes. Lubricate sensible regions of your penis with prolonging lube before sex (10-15 minutes).You may repeat the lubrication straight before sex as necessary. All these preparations don't influence on potency.
It is interesting :: First records of preservation means such a condom date from Ancient Egypt, where condoms were made of animal skin. Nowadays there is a great variety of condoms, which differ in color, texture and smell.