Recently i had a small Problem with Skrollr. It didn't work on Mobile and Touch by hiding the Skroll Bar.
The sweet Hint is to wrap all your scrollable Content into a DIV with the ID skrollr-body.
<div id="skrollr-body"> </div>
If you entire Site is to scroll so you can apply this also to the body Element, but if you have a sticky Navbar (Bootstrap or something similar) you have to exlude the Navigation by wrapping your Content in the DIV described above.
Photo by William Iven on Unsplash