Not that I am young and hip...BUT, If you actually wear a holster with metal or stiff kydex clips very long, it will destroy your shirts, your expensive gun belt, scratch you car and furniture, make clunky noises when sitting in hard chairs and the kydex clips tend to break at the very worst time imaginable.
Not to mention that they hide poorly and when wearing a tucked shirt anyone can see the the strange clips on your belt are not normal, despite the fact that they may not know what they are for