To start earning RUST skins for free on one of provided sites, you have to first register. On most of these sites, you can login by steam, so it's preaty easy, just click "login" and it will redirect you to STEAM login page. After you login you should check if we provided code for a website, you want to earn on. If yes, you should use it in order to get free bonus on start. On some sites, you will get sign up bonus without entering code.
After you are logged, you can start earning coins. All you have to do is complete various tasks (answering surveys, watch videos, complete missions in games & more). After you complete a task, you will receive coins. You will need them in order to withdraw.
Once you earned enough coins, you can withdraw RUST skins! Most likely you will have a option to withdraw RUST skins from a provided website here, otherwise you'll need to withdraw steam giftcard and buy RUST skins from steam marketplace with it.
You can play with them. RUST skins won't help you in game, as they are only cosmetic, but you can customize your character with it. There are t-shirts, hats skins & more. You can also use them to trade with other players. As RUST skins have real value, they can be easily sold on marketplaces for credit card, cryptocurrency, paypal.
Before you start...
You need to follow few rules on these sites:
You can't use VPN.
You are not allowed to have multiple accounts.
You must disable adblock when doing surveys.
You can't cheat in surveys. If you try to and it's detected you may get banned.