Breaking down clay soil quickly requires proper techniques and patience. The first step in accelerating this process involves loosening compacted clay by tilling or digging it with a garden fork - be cautious not to overwork or pulverize the soil excessively in order to avoid damaging its structure further. Afterwards, spread a layer of organic matter like compost over the area and gently mix it into the top several inches of soil using a garden rake or hoe. This encourages improved drainage and aids in breaking up clods of compacted clay faster when combined with regular watering practices targeted at maintaining consistent moisture levels. However, keep in mind that transforming clay soil into a loose loam may take time - it's important to provide regular amendments and cultivation over several seasons to achieve optimum results.