Another late 1960's fashion clothing advertised with a sports, muscle, or race car... what was in the water among the magazine editors?

Signature magazine, October 1968 via: http://burstsausages.com/

This sort of car and clothes fashion thing amuses me, for the others I found:
the 1968 fashion magazine photo shoot with the Dodge line up for 1969: http://justacarguy.blogspot.com/2008/02/blog-post_24.html and a one page Dodge Dart ad http://justacarguy.blogspot.com/2010/01/picture-is-worth-thousand-words-except.html http://justacarguy.blogspot.com/2010/06/im-impressed-and-amazed-by-obscurity-of.html