Not for me. Personally, I think it tends to be a sign people are focusing way too much on something that is only a small part of personal security (CCW).
But, if it makes you more comfortable go for it, who am I to tell you what to carry. I already have too much crap on my belt/pockets. (Leatherman/light/2 pagers/phone/wallet/Glock 19) I usually don't even carry a spare mag.