Thank you for viewing. This is a valuable DVD video by Dr. Takao Nakagawa, a leading figure in chiropractic. Operation has been confirmed. I watched it once and then stored it at home. It is in relatively good condition. Please check the photos for the current condition and make your decision. Spinal Motion Palpation - Complete 4 Sets Takao Nakagawa, D.C. Practical Instruction DVD Please purchase only if you understand that this is a used item. Please refrain from purchasing if you are sensitive to such things. If you have any questions, please feel free to contact us.