The four poses are:

NASA ducted a love experiment on a spaceship

Situation 5: A mutant may be born.

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

year 1996.

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

Except "69 type".

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

cause of the decreased secretion of testosterone. Decreased libido.

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.

Have 2 men and women tested in weightlessness.

in.

But because there is no gravity in space.

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