I came across the same problem as you, but I solved it by opening up the pump and putting a large spring I had lying around in so that it would be pushed back. The biggest problem with this is that now it requires more force to pump down.pansexual wrote:That's what I thought, too. My problem is, what kind of bicycle pump do you use exactly? A picture would help. The ones I know you have to push forth and back. They lack a steel feather pushing it back once you suck or fuck them down. And I haven't found such an item neither.countdown321 wrote:I think I have a solution:human_slave wrote:How about instead of heating a dildo, make it up into a kind of pump, may not simulate sex, but i will look and feel humiliating.
Get a regular bicycle pump (with a long hose on it) and replace the handle with something a little more "friendly".
That'll be also a solution for kind for Girl's training, too, see also here.
Friction By ZantetsukeN
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Aah, some hope at last. I am looking for such springs since weeks, but only have found to small ones with too few power. Any hints where you got it from? Maybe it was part of something?Mitciv wrote:I came across the same problem as you, but I solved it by opening up the pump and putting a large spring I had lying around in so that it would be pushed back. The biggest problem with this is that now it requires more force to pump down.
Plan ahead. Don't be overambitious. Slowly step by step. Play safe. Have fun. And tell us.
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I have no idea.pansexual wrote:Aah, some hope at last. I am looking for such springs since weeks, but only have found to small ones with too few power. Any hints where you got it from? Maybe it was part of something?Mitciv wrote:I came across the same problem as you, but I solved it by opening up the pump and putting a large spring I had lying around in so that it would be pushed back. The biggest problem with this is that now it requires more force to pump down.
Re: Friction By ZantetsukeN
Capacitance sensor seems a good (er... I mean "evil") idea for me! Another possibility is a webcam and some motion-detecting software (and, to make a programming easy, you can wear a LED somewhere on your crotch harness).lifer wrote:I have had some success using a 555 timer to produce a insertion/penetration sensor that uses body capacitance.