There are currently 170 skins that can be in your shop. This means it would take you 45 days of logging in every day to check your shop before you went through every single skin assuming theres no duplicates. There probably are so then you...

i think it would be cool if they show your holstered weapons and knife especially if you have bought skins for them and wanna show off maybe it will add a slight tactical sense to the game if you can see that an enemy has a holstered snipe...