I tried an unusual technique and I can't explain how intense it was.
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What I did was rolled out an ace bandage on a chair and placed a piece of bubble wrap on it. Then I pulled my penis back between my legs and buttcheeks and sat on the bubble wrap. I used the ace bandage to hold it in place. I put a vibrating bullet sandwiched between the head of my penis and my buttcheeks. Then I put on a pair of underwear and stuffed them full of cotton padding. I dumped some lube in to oil everything up. I put on some pants and went for a bike ride. The pressure and my penis slipping around against the bubble wrap from peddling caused a great sensation. The fun started when I got really horny to the point where if I continued peddling I would cum. If I did i knew the remainder of the ride would post orgasm tor. So I had to to peddle then coast then pedal then coast. I stopped peddling a little late and had to coast through the most intense orgasm I ever had. Now I was super sensitive but had to finish the ride. So I went back to peddling as little as I needed to. At the home stretch of the ride felt another orgasm arriveing. This time i started peddling as fast as I could. My penis was sliping all over the bubble wrap and between my buttcheeks. I was bouncing up and down on the bike seat from. The bumby terrain. I kept peddling through the orgasm. It was so intense I almost crashed the bike.