Employee was driving a tow motor to 1 section. Near spad 5784 he encountered 2 rope hangers tied together hanging from the roof. His neck became caught by these hangers. He was treated and released. Returned to the doctor on 3-15 and was released. On 3-17 he went to his family doctor which referred him to a specialist who put him off of work. His first missed day was 3-18.