Therapeutic insoles from Oputi Canto. ◆ Reduce uneven wear of shoes. ◆ Reduce foot fatigue and impact. ◆ Improve balance when standing. ◆ Improve sports performance. ◆ Prevent lower back pain and knee pain. ◆ Improve posture and lose weight beautifully, etc... Purchased at a chiropractic clinic for 5,500 yen and stored without ever being used. Purchased around October 2025.