Have 2 men and women tested in weightlessness.

The four poses are:

NASA ducted a love experiment on a spaceship

in.

Except "69 type".

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

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

year 1996.

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

Select 10 poses with high feasibility.

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

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

cause of the decreased secretion of testosterone. Decreased libido.

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

But because there is no gravity in space.

Situation 5: A mutant may be born.