Kumbukumbu la Torati 25 : 9 Deuteronomy chapter 25 verse 9

ndipo mke wa nduguye amkaribie mbele ya hao wazee, amvue kiatu chake mguuni mwake, na kumtemea mate ya uso; kisha atajibu yule mwanamke, aseme, Mume akataaye kumjengea nduguye nyumba yake na afanywe hivi.
soma Mlango wa 25

then his brother's wife shall come to 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 to the man who does not build up his brother's house.