It looks like the fishermen are tightened by a fuel girdle.
Anywhere you see it's always the same story.
Here in Spain the trawlers have a few turnarounds, no more,
sooner than later they'll be historty as well.

http://news.bbc.co.uk/1/hi/world/europe/7420782.stm

I've learnt many English trawlers are in favour to the strike in spite of rude manners.