Location: "Actions" menu
The "Pin comment to the top" effect enables you to put your comment above the comments of other users at the top of the discussion, regardless of the sorting order selected.
To apply this effect you should open the "Actions" menu located under your comment and click on the "Pin comment to the top" icon in the user toolbar:
Set the duration of the effect and after that click on the "Apply for X points" button.
Note: Once the effect is applied, the pushpin icon appears to the right of the comment. To see it hover on the comment:
Note: This is a "paid" effect which means that you’ll have to spend a certain amount of your points to pin your comment to the top.