T-Rex,
I agree with all that Braker said. Below is a site which has some good informative comments about pumping in response to your questions.
http://www.peni s-enlargement-o … s.com/pumps.htm
Note: I am not promoting Dr. Joel Kaplan’s pumps, etc
By the way, I bought my cylinders from JT’s Stockroom, see website below:
Sex Toys: Suction & Enlargement: Pumps | Stockroom – The Stockroom
I’ve also bought a cylinder from LA Pump. The prices are competitive.
Note: I don’t use a pump/gauge anymore. I just use my 2 inch and 2.5 inch diameter cylinders with the hoses and connectors, and I create the vacuum by just using my mouth to suck out the air through the hose. I get a faster pump, and I know my dick well enough to judge the pressure that I’m feeling.
For me personally, the effectiveness and longterms gains from pumping have been gradual. At the beginning my pumped size would last for only 20 minutes or so and then shrink back. Sometimes as a novice if I pumped too zealously, my flaccid size the day after pumping would be smaller. But the next day after that, everything would be back to normal and slightly bigger. The major lessons that I ‘ve had to learn about pumping is 1) patience and 2) don’t overpump . I believe that a good 50% of my good girth size and length increases today are directly attributable to pumping, and I’m still getting thicker.
I hope this helps. If you have other questions after this, just ask.
Peforeal