Here are a couple articles on why crating is a wonderful tool in creating a safe haven and teaching tool for your pup or dog.
No, its not just for housetraining
http://www.canismajor.com/dog/crate2.html
http://www.ddfl.org/behavior/cratetraining.htm
No, its not just for housetraining
http://www.canismajor.com/dog/crate2.html
http://www.ddfl.org/behavior/cratetraining.htm