http://www.amazon.com/gp/aw/d/B001CF1A7O/ref=mp_s_a_1_4?qid=1425270317&sr=8-4&pi=AC_SX110_SY165_QL70&keywords=d+ring+tow+shackle&dpPl=1&dpID=4105SPxSOQL&ref=plSrch
Something like this?