How to Use Using Derila Ergo Pillow is simple: 1. Place the pillow with the contoured side facing your neck. 2. Position your head comfortably in the center. 3. Allow the memory foam to naturally conform to your shape. 4. Use consistently each night for the best experience. Most users become accustomed to the ergonomic design within several nights. Is Derila Ergo Pillow Wor... https://derila.uk/