Hi wes41190, 
  
Yes I can give you a good example.  If you've seen the finalist video for Jarvis Morant - My Hump, it's done there a few times.  Right around the 1:50 mark, a couple times in the 2:24-2:30 mark, and a few times at 3:19-3:36.  It's like having the coaster move forward and backwards at a fast pace.  I'm probably not saying it right but if you take a look at the vid you'll see what I'm trying to explain. 
  
Thanks, 
CSC