“I have heard good and bad things about pumps. I have always wondered if it really works. I have never heard negative things about my tool but still wanted to see if I could make it thicker and or longer. For me this pump is maybe a little small. I was having little trouble fitting in the precut opening. After I was able to get my Johnson in I was able to use the pump action to almost reach the top of the cylinder. One thing I have not received with my purchase was any idea of how long I should leave the pressure. I can only handle about 5-6 minutes before it get too uncomfortable. I have noticed a thicker and little longer tool after using this product. I had to make the open slit little bigger as the cylinder doesn’t want to give me my tool back. Now to find that special someone that wants to keep my tool inside also.”