Manacles

His eyes were as red burning coals; long grey hair fell over his shoulders in matted coils; his garments, which were of antique cut, were soiled and ragged, and from his wrists and ankles hung heavy manacles and rusty gyves.

But one hundred years later, the Negro still is not free. One hundred years later, the life of the Negro is still sadly crippled by the manacles of segregation and the chains of discrimination. One hundred years later, the Negro lives on a lonely island of poverty in the midst of a vast ocean of material prosperity. One hundred years later, the Negro is still languished in the corners of American society and finds himself an exile in his own land. And so we've come here today to dramatize a shameful condition.

He warned that, 100 years after the end of slavery, they were still crippled by the manacles of segregation and the chains of discrimination.