The simple in and out motion of the penis during intercourse is not enough to reach a full orgasm because the clitoris and G spot are not stimulated by the motion and that's why this position is great for giving her the best orgasm instead low back or backless dress for a bridesmaid ;) ;)
See Position >> http://bit.ly/1NdwDka
Sex Position Of The Day: The Coital Alignment Technique [For her total pleasure]
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