It has no juice, no meat. It has nothing. It is dry. But the dog goes on chewing on it, and in the process of chewing sometimes cuts its own palate. It bleeds, and the blood gets on the bone.
Pleasure is so sweet to it that it forgets the whole process of pain.
Clinging to things is a habit of the mind. The initiates see material things for what they are, without coloring or creating distortion. When you see clearly you don't suffer objective conflict or subjective confusion. You are free from both. When you meditate on swatva, you slowly begin to feel that what you are is not comparable with any worldly thing.