We own two of those fanny packs, one made just for a handgun and the other is a universal. As sombody mentioned sometimes it is necessary to have protection along and it is just very convienient to carry like that.
As for signaling the BG. If he is that good , you may be surprised.
I read an article lately (forgot where ) but in the article a couple guys sat in the mall watching the people going past. They were pretty adept at identifying who was carrying. One of them stated, he , on many occasions could identify the model gun the person was concealing. After reading that story, I began looking to see if I could tell if somebody was concealing.
Sure enough, a short while back I was in wal mart buying a gallon of paint ,when an older man was approaching he had on a T shirt shorts and sandels, I watched form the perifery of my line of sight and sure enough as he turned at the end of the isle , his arm swung and there it was a semi auto right on his side , perfectly printing...