Got pros:
There is a whistle, a flint, a thermometer, a paracord, it is very useful to have one in nature, but it is not yet clear how to carry it with you all the time because of the shortcomings
Cons below:
Bulky, cannot be easily reduced / tightened, so it will hang out, but, let's say, fasten it higher - on the contrary, it is too short. The compass does not work - this is a big drawback.See full review