Foreskin pump
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3 năm trước đây
đến another_experiment : Wäre schön wenn Du mir auf Deutsch antworten könntest
Trả lời Hiển thị bình luận ban đầu
I remember that I did so similar as a boy / young man. But using a water hose and water. Keep in mind that water cannot be compressed as easily as a gas (air). So the effect is "different".
Trả lời
hehe a kind of human balloon . I like the idea.
I assume that it is difficult to seal the beginning airtight. Tie tightly, but still have air passing through on the other side.
I assume that it is difficult to seal the beginning airtight. Tie tightly, but still have air passing through on the other side.
Trả lời