During times of severe social and political crisis, the natural human desire for power and honor vanishes. In its place emerges a desperate search for anyone willing to shoulder the heavy burden of leadership. Driven by total despair and a sense of national ruin, a person might physically grab the clothing of a trusted relative, begging them to take command [רד״ק, מצודת דוד, אבן עזרא, שטיינזלץ]. The people are so broken that they seek a leader based on the most superficial standards.
The primary approach among commentators is that the qualification for leadership is based simply on outward appearance, specifically the wearing of respectable, fine garments [מלבי״ם]. The mere fact that an individual is well-dressed and projects an image of success is considered enough for them to be appointed as a ruler. This highlights the absolute low point of the nation, where owning a proper outfit is sufficient to elevate someone above the masses and make them worthy of governing [מלבי״ם, שד״ל].
Alternatively, this plea can be viewed through an economic lens. The poverty-stricken public either begs a wealthy individual to lead so he can provide them with basic food and clothing [רש״י], or they assure him that if he agrees to rule, they will not demand that he supply them with garments from his own wealth [אבן עזרא]. Alongside these physical and economic perspectives, a spiritual approach views the clothing as a metaphor for Torah knowledge. In this view, the people are seeking out a Torah scholar whose wisdom is as clear and familiar to him as his own garment, asking him to be their guide [רש״י, רד״ק].
Whatever the reason for his appointment, the designated leader is expected to take immediate responsibility and resolve the overwhelming crisis at hand. On a social and national level, this crisis represents the total collapse of Jerusalem, characterized by the reckless rule of immature youths and a lawless society where people harm one another without fear. The leader's role is to use his authority to clear away these obstacles, correct injustices, and restore order to the state [מלבי״ם, רד״ק, מצודת דוד, שד״ל, שטיינזלץ]. Another perspective suggests the crisis refers to the crushing tax burden imposed by foreign kings, which the new leader will have to manage [רד״ק]. Finally, following the spiritual interpretation, the crisis represents the people's doubts and errors in matters of Jewish law, such as what is permitted or forbidden. The leader is asked to take them under his wing and teach them the correct path so they do not stumble further [רש״י].