Received for Christmas last year, have not used it much but it definitely stretches the back. has heat and adjustable height lifts.
This is what the manual has to say:
Design Principle ?When the person is flat on the lumbar traction device, pushing the waist up and down with the gravity of the human body plus the inflation air pressure will help us to perform dynamic stretching exercises. You don't need to move, the device will help you move and stretch your waist,Air Traction Stretching up and down amplitude is 4CM-10CM.if you simply want to buy massager, it is not recommended to buy
Auxiliary Infrared Heating?The heating function provides a soothing and invigorating heat that delivers a warm and gentle massage. It will leave your muscles relaxed while getting rid of all aches and fatigue. To get the best stretching effect, JKAH-2 will provide the thermal theray , Three leves :LOW/MIDDLE/HIGH ,which can adjust from 45 to 65?.
Buy one set with Three functions, main function dynamic back stretching device, auxiliary function:vibration massage + auxiliary heatIf your main purpose is to buy a massager or hot moxibustion function, it is not recommended to buy our products, our products are mainly lumbar traction
Additional Base Plate: The plate was designed to improve the user's overall experience when operation the traction device on the soft surface, like soft bed ,couch or foam rubber cushion,When the device is laid on size A and B, the traction high end is not the same! C