I know this is vague but maybe someone will know. There was a movie about devils and demons and stuff and in the movie the "boss demon" had 3 demon teenagers that worked for him that would show up on roller blades with hockey sticks. They would slap the sticks on the ground before attacking someone. The was another scene where a woman is trying to get into her car and drops her keys and they roll up on her and slap the keys away with the sticks. That's about all I can remember. ::fingers crossed::

I think you're looking for Dogma. Here's some snippets from the plot matching your description..
.....An old homeless man (Cort) is standing outside a skee ball arcade in New Jersey and is beaten into a coma by three hockey stick-wielding teenagers, the Stygian Triplets.....Bethany is attacked by the Stygian Triplets...
At the very, very end of this trailer (2min 27sec) you see the three rollerbladers...
https://www.youtube.com/watch?v=20CRw3XdETA

I think you're looking for Dogma. Here's some snippets from the plot matching your description..
.....An old homeless man (Cort) is standing outside a skee ball arcade in New Jersey and is beaten into a coma by three hockey stick-wielding teenagers, the Stygian Triplets.....Bethany is attacked by the Stygian Triplets...
At the very, very end of this trailer (2min 27sec) you see the three rollerbladers....
https://www.youtube.com/watch?v=20CRw3XdETA
YES! That is the movie. Thank You! :)

:)