The man who was humming to him self  walked down the middle of the road 

The man who beckoned me to join him walked down the middle of the road

The man whose suit was itching against his skin beckoned to join me

Dystopian relative clauses

The flash white car dazzled everyone. The prison guard who stood outside with his masculine dog kept watch. The prisoners shouted and screamed behind the iron bars of his cell. The chimneys which spluttered out smoke polluted the air.