A Literal "Shoe Tree"

Just Hanging Around...aka Shoe Tossing, originally uploaded by HawkeyePilot (limited Flickr time).

Via Flickr:
We saw this dead tree near Virgin, Utah. It seems to have become a monument for old worn-out shoes. Can anyone (born1945?) shed some light on this unusual roadside attraction...we added two pair of shoes to this tree for the photo op.