Nope. I've been carrying the Ryker since summer 2017 and it is still going strong and so am I. I feel naked leaving the house without it.
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After a class in 2016 I was talking to the instructor, I mentioned having Dark Angel medical "Dark kits" for the range, house and in each vehicle but was looking for something easier to carry for daily use.
He pulled up his pant leg to show me the Ryker AFAK and said it was great for daily use. I went home that evening an ordered an AFAK for myself, that was in October of 2016. I have worn it almost everyday since and it still works the way it did when I bought it. I recommend them to folks whenever the subject comes up.