Well knife is a rare item in every case on every site , you can get it if you are lucky, btw this site gives you a chance to grab a free knife unlike the other sites where you need to bet or pay to open the case with real money. Hope i hyped you to open the case and get a knife PAPA BLESS YA!
Do you mean getting a knife from opening cases or from a site?
in 3 steps
Choose the game that interests you and play itfor free.
Every game has some quests for which you will receive Soul Gems.
You can exchange your Soul Gems for Steam Wallet top-ups, game keys, CS:GO Skins and other rewards.
You know that on Gamehag you can get real rewards for free, right? Join us, complete walkthrough and get your chest!
I dont know if to try or not