> Saddlebagging is about adopting sexual practices adopted specifically to prevent procreation

On that level it's not different from any kind of contraception, also widely done in humanity, so not really insightful there. It's interesting to me only because it's a religious "trick," a way to do something what is formally not forbidden. Like

http://blogs.scientificamerican.com/thoughtful-animal/once-u...

"Once Upon A Time, The Catholic Church Decided That Beavers Were Fish"

...in order to eat their meat at the times of fasting. The rest of the article has more examples.