I sense something about innocence (the child) and evil (the hooks). What awaits the innocent child, is the modern industrial lifestyle shit, in which everybody has sth to sell. Marketing, industrial and political control, which enslave modern man. For ex. Companies attach the baits (advertisements) cast their their finishing lines to other people.(via TV or other media); a certain time must pass, for the child to bite. Now he is happily playing... The gloomy atmosphere may symbolize a pessimistic approach about the future.