Everyone gets tired holding a leg up in the air while trying to be a gymnast in the sack. Make it easier to get the job done with no aches and pains, heavy lifting or contortion involved. Sex will dramatically improve when using these adjustable straps. Back and leg strain will magically disappear as you experience more enjoyable positions.
simplified laws of science. What's interesting about this is that physicists are now theorizing that information that is taken in by a black hole is not lost as once thought. Now they are theorizing that information is conserved, but in what form or way, they are still unsure of.