What does Deuteronomy 25:9 mean?

then shall his brother’s wife come unto him in the presence of the elders, and loose his shoe from off his foot, and spit in his face; and she shall answer and say, So shall it be done unto the man that doth not build up his brother’s house.

Then shall his brother’s wife come unto him in the presence of the elders, and loose his shoe from off his foot, and spit in his face, and shall answer and say, So shall it be done unto that man that will not build up his brother’s house.

then shall his brother’s wife come unto him in the presence of the elders, and loose his shoe from off his foot, and spit in his face; and she shall answer and say, So shall it be done unto the man that doth not build up his brother’s house.

Then his brother's wife is to come to him, before the responsible men of the town, and take his shoe off his foot, and put shame on him, and say, So let it be done to the man who will not take care of his brother's name.

`Then hath his brother's wife drawn nigh unto him, before the eyes of the elders, and drawn his shoe from off his foot, and spat in his face, and answered and said, Thus it is done to the man who doth not build up the house of his brother;

The woman shall come to him before the ancients, and shall take off his shoe from his foot, and spit in his face, and say: So shall it be done to the man that will not build up his brother's house:

then shall his brother's wife come near to him before the eyes of the elders, and draw his sandal from his foot, and spit in his face, and shall answer and say, So shall it be done unto the man that will not build up his brother's house.