Use. The elastic thread has certain elasticity and sweat absorption, which can make the peach-core pillow fit the neck better, breathable and not easy to get moldy. When you use elastic thread to string peach-core pillows, you can first thread the thread through the peach-core in the bottom row, then back through the peach-core in the top row, and so on until the required number of rows are worn, so you use elastic thread to string peach-core pillows.