Some great info on concealed carry. Learn how to spot a concealed handgun and how to carry a concealed weapon legally. USA Carry website has done a in depth detailed 2 part series on Concealed and Carry Tips for law abiding gun owners.
Part One:
http://www.usacarry.com/concealed-carry-tips-1/
Part Two:
http://www.usacarry.com/concealed-carry-tips-part-2/