L....but you didn't mention to "keep it light". Very important to your back, legs and rest of your body. And.....forget the Approach Trail.....not part of the A.T. anyhow. (You will, however, get lots of differing opinions on this one.) Hugs, Hummingbird -- Internal Virus Database is out-of-date. Checked by AVG Anti-Virus. Version: 7.0.300 / Virus Database: 265.6.5 - Release Date: 12/26/2004