<a href="//commons.wikimedia.org/wiki/Mack_Brown" title="Mack Brown">Mack Brown</a> of <a href="//commons.wikimedia.org/wiki/University_of_Texas_at_Austin" title="University of Texas at Austin">The University of Texas</a> at Austin gives the <a href="//commons.wikimedia.org/wiki/Hook_%27em_Horns" title="Hook 'em Horns">Hook 'em Horns</a> sign at the Mack Brown Women's Football Clinic.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/13897165@N00">Andreanna</a> from Austin, USA.  Cropped by <a href="//commons.wikimedia.org/w/index.php?title=User:Johntex&amp;action=edit&amp;redlink=1" class="new" title="User:Johntex (page does not exist)">Johntex</a>
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/13897165@N00/225590745/">Mack Brown &amp; me</a>