Pictorial Language Series
Joel 2:13 Rip apart your hearts, and not your garments, And return to Jehovah your God,
Back when Joel was alive, a contemporary way of demonstrating grief was was to rip the front of the garment apart. what God is counselling is to make more than an outward appearance of grief. Instead it should be a sincere heartfelt grief that leads to repentance and earnest concerted effort to please God through obedience.