Rener Gracie rolling with some Blackbelts after his super seminar in Germany December 9, 2017 by Gary Berger Leave a Comment Rener Gracie rolling with some Blackbelts after his super seminar at our place in August 2017. #graciejiujitsu #jiujitsu #ctc #grappling #stronggroundgame #martialarts #blackbelt #rener 343 26