Click on the link for that site. This will bring you directly to that sites homepage. Fill in the required info. For age verification purposes only they require a credit card. United States Federal Law requires proof of age to view adult material .
Credit cards are a valid form of verification.
They won't charge you for the free pass . After you fill in your info hit submit, you get your username and password immediately, and then you get in right away. You're in and you've got a your free password. If you are thinking this is a scam. Believe me it's not.