Cover Your Tracks( Shining South, p. 20)
You are good at masking your route, making it difficult for others to track you.
Track (PH) ,
Add +5 to the DC to follow your tracks, or +10 if you move at half speed, and hide your trail. You gain a +2 on hide checks.
Characters without this feat can move at half speed and hide their trail, adding +5 to the DC to follow their tracks.