http://lifehacker.com/5993006/top-10-ways-to-breeze-through-laundry-like-a-boss

If you watch their video at the bottom of the article it mentions freezing jeans to clean them.

I found this article talking more about the idea.

http://www.apartmenttherapy.com/how-to-clean-your-jeans-withou-109266

Updated October 2017:

This article with even more laundry hacking tips has come across my desk.

https://www.tipsbulletin.com/how-to-unshrink-clothes-the-ultimate-guide/

Also check out this vlog I did on organization of clothes in your closet: