The sole 14 includes {TAIL ~ a toe end} 18, a heel 22, and {HEAD ~ a downwardly facing tread surface} 24 
The sole 14 includes { TAIL ~ a toe end } 18 , a heel 22 , and { HEAD ~ a downwardly facing tread surface } 24
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH