![Brad Kolb, 20, walks carefully on top of tubular webbing](http://www.emu.edu/news/images/slacklining.jpg)
EMU sophomore Brad Kolb, 20, walks carefully on top of tubular webbing (rock climbing rope) on Tuesday afternoon. A few times a week, he and a few other students on campus tie the rope to a few trees and practice walking the line.
Photo by Pete Marovich
By Heather Bowser, Daily News-Record
Johnny Cash fans aren