What is the purpose (and name) of this little outsole extension on the heel of trail running shoes?

saucywench June 9, 2021, 3:09pm 3

Maybe it’s to prevent wear on the shoe caused by heel drag.

Topic		Replies	Views
Nike Shox: Do they work? In My Humble Opinion	9	7224	February 10, 2001
Coldy's Supahfly New Boots, or: AARGH! The PAIN! Miscellaneous and Personal Stuff I Must Share	24	1459	May 20, 2001
Why do shoes erode so fast on the outside heel? Factual Questions	27	116940	November 4, 2011
Why are shoes typically made with an inward curving back? Factual Questions	28	1794	February 25, 2021
What's that belt loop-like thing on the tongues of athletic shoes? Factual Questions	7	10946	October 30, 2006