Scroll lock - How to?

Hi All

I have some question regarding the feature “Scroll lock”:

    • when and on which blocks/bricks I can use it? I don’t see a consistency, when it is available
    • how does it work? I tested it on an element with a value (300 in my case). The element stopped as it should. But the page also jumped weirdly to a position
    • if I understand it correctly, this feature stops an element at a certain scroll position. If so, how do I release it again after I have scrolled further?

Looking forward to any tutorial/link/adivce etc …