Every wondered why REAL MADRID Coach JOSE MOURINHO wears the same a black scarf? There are 750,000 reasons ( or Euros). Notice the logo? The Coach & the Sports multinational have a contract that gives them high profile & publicity & income to the bearer, of course.
This partly explains why Mourinho picks up the ball or passes it with his feet to a player when it drifts around his box. This action attracts the TV camaras & press camaras highlighting the Coach & his "scarf" to milliones of spectators & potential buyers.