I found a really ghetto coaster at this park in San Luis Potos?????, Mexico.
I have no earthly idea what company makes this coaster.
http://rcdb.com/9054.htm?p=0
Here is a pov of part of it. Headbanging galore anyone?
https://www.facebook.com/photo.php?v=251772489307&set=vb.272033340311&type=2&theater