Mastering the Walk Clicker Style

For those who would like to have a dog that walks in position next to them, I would like to suggest the following links.  Rather than feel that you have to use a choke collar, or "insist" that your dog follow you, why not train him to do so willingly?  This takes some effort, but well worth it.
http://www.clickersolutions.com/articles/2002/aha.htm
http://www.clickerlessons.com/looseleash.htm
http://www.clickertraining.tv/product.html?item=KPDLVD114R-02
http://www.shirleychong.com/keepers/archives/heel.txt
http://www.shirleychong.com/keepers/archives/goodheeling.txt
http://www.clickersolutions.com/articles/2002c/targetting.htm