This doc is a 'hard' watch but it does repay the effort. Heavymetal is the workers music of choice and the heavy metal of grinding gears and chains on the film's soundtrack is an assault to the ears. The use of small waterproof cameras has enabled the directors to establish highly unusual points of view, underwater sequences of the by-catch flashing past are seared on to your retina ( I had a detachment soon after watching this doc so I don't use the term lightly, you've got to suffer for art), the feeling of immersion in the life of the trawler and the hard physical work of the trawler-men is strong and the longueurs of the repetitive work are not shied away from and the reality of killing fish is seldom off the screen