Since a lot of people ask me this question I want to say that I use a electric pump to hold the vacu
Since a lot of people ask me this question I want to say that I use a electric pump to hold the vacuum in my cock pump. That’s quite nice since you don’t need to care about the pressure and you can just concentrate to the feeling to get sucked. The pump does up to 400mbar below athmospheric pressure and you can believe me that this will suck the last drop out of you :DThe brand name is “”Froehle vacuum pump” and the tube fits to almost every cock pump (seems so be a standard connection). I wish happy sucking :) -- source link
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