How to create a secret board?
Although its really easy to create a secret board and its hardly need any explanation but still the steps are mentioned below:-
1- Log In to your profile page and scroll down to the bottom.
2- You will see a dotted area containing the words “create a secret board”.
3- Click on it and start keeping your surprises.
Some points to note:-
1- You may not make your existing board a secret board. Only new boards created can go secret.
2- If you are using mobile then you need to download the latest version of Pinterest in order to use this feature.
3- This is just a test feature from the developers of Pinterest but if found popular then it can be made permanent.
Source:- Pinterest Blog
Also See:-
Now You Can Verify Your Site on Pinterest
How to Get More Traffic From Pinterest
Pinterest Marketing Tools
Pinterest Marketing Guide