McDuff Jam II – Austin, TX. Oltorf Garage 2013 Posted on March 7, 2013 by Effraim — 4 Comments ↓ McDuff Jam II | Austin, TX | Oltorf Garage -2013 from robpossible on Vimeo. Whilst the Toronto contest was taking place, the Austin locals held a jam at the OG parking garage. Robert Porter from New Orleans put together this sweet edit from the day! Check it!