John Gills Exposition of the Bible Commentary - Proverbs 20:26
A wise king scattereth the wicked ,.... Or "fans them away" F9 מזרה "ventilat", Junius & Tremellius, Schultens. ; separates them from his good counsellors, courtiers, and subjects; scatters them from his presence and court, and breaks their counsels and confederacies one with another; he discovers, discountenances, and discourages them; See Gill on Proverbs 20:8 ; and bringeth the wheel over them ; alluding to the custom of the eastern nations turning a cart wheel over... read more
Matthew Henry's Complete Commentary - Proverbs 20:26
See here, 1. What is the business of magistrates. They are to be a terror to evil-doers. They must scatter the wicked, who are linked in confederacies to assist and embolden one another in doing mischief; and there is no doing this but by bringing the wheel over them, that is, putting the laws in execution against them, crushing their power and quashing their projects. Severity must sometimes be used to rid the country of those that are openly vicious and mischievous, debauched and debauching.... read more