Except "69 type".

year 1996.

NASA ducted a love experiment on a spaceship

Situation 6: Sweat, tears and body fluids are all floating in the space station.

Situation 7: If you 't accept the bondage. Then don't have sex on the space station.

There are only 4 positions suitable for use in zero gravity.

For the rest of the poses, you must use heavy estic straps to bind both sides.

The four poses are:

Situation 5: A mutant may be born.

But because there is no gravity in space.

in.

Have 2 men and women tested in weightlessness.

Select 10 poses with high feasibility.

cause of the decreased secretion of testosterone. Decreased libido.

"69 style", "female upper position", "traditional pose", "hip ing style".

Situation 4: No effect of gravity. The heart needs to work harder to send blood to all parts of the body.