When it was announced online that Hang Tough Studio, the framing, printing and exhibition space business would be closing and placed into liquidation it came as a shock in the artist ecosystem. From the outside, the business was a roaring success. It had expanded into bigger spaces, was holding bigger exhibitions, was creating a new market for prints and as a statement of intent, it had just sent Irish artist Paul Hallanhan to Volta, the prestigious art exhibition held in Basel. Founded a dozen years ago by Michael Hennigan, commonly known by his collegiate sobriquet Rubio, Hang Tough cleverly positioned itself…