WILLIAM BONAC | BACKDAY (SPECIAL GUEST ROELLY WINKLAAR) | HARDCORE MR OLYMPIA TRAINING

Welcome back guys ! Today I have a special video for you with a very special guest. You all know him off course and he is a close friend. He is of course Roelly Winklaar. Today we smash a back workout for you all and wrap it up with some posing, Mr Olympia style. Please comment on this video if you liked it and make sure to subscribe for more videos in the future. GOD BLESS William Bonac Join me also on social media ! COACHING: https://www.william-bonac.com​​​ SPONSOR: https://scitec-nutrition.com​​​ SPONSOR: http://www.gorillawear.com​​​​​​​​ SPONSOR: http://www.fitlifecompany.nl INSTAGRAM: @william_bonac