A truly amazing device! I have long since not been tested all applications. The other day, however, tormented me the erector spinae in the amount of the scapula. And since I had the TheraCane just right. By gebogenenen end can appeal to verkrampten muscle area specifically and use the small ball at the end. Some time shortly down the field in question and at once to facilitate noticeable. After 2 days, my symptoms were gone. The TheraCane is not very cheap, is his money but absolutely worth it.