<p>This massage is designed to deep massage and may be painful for those who are not used to it. Because of this, we recommend putting a towel in between the massage and your feet or put on thick socks for a better experience of the product. The massager's heating function has been mainly to soothe heat and slowly heating is safer to care for your feet.</p><p><strong>HEAT FUNCTION: </strong>A deep penetrating and heat radiating effect which provides relaxation and relieves stress is particularly beneficial for muscle tension.</p><p><strong>AIR COMPRESSION: </strong>The rising and receding movements of the airbags produce a pumping motion which enhances our natural muscle reflexes and improves blood flow. This is particularly beneficial in the calf and foot area.</p><p><strong>ROLLING: </strong>The foot massage stimulates the nerve endings and certain organs of the body, which also relaxes the muscles.</p><p><strong>3 Types of Massage: </strong>Once the unit is turned on MASSAGE MODE+ AIR PRESSURE MODE will be in its default setting (Kneading+ Rolling+ Air Pressure are activated) Press the Mode section (once) and it will change from default to MASSAGE.</p><p><strong>MODE Only: </strong>(Kneading+ Rolling Only) Press the Mode section (2X) it will activate AIR MODE Only(Air Pressure Activated).</p><p><strong>Removable Cover &amp; Easy to Clean: </strong>The removable and washable foot covers make this electric foot massager hygienic and convenient to use while they serve as a cushion to prevent the feet from having direct contact with the kneading massage nodes for a more comfortable and safe experience. The zip fasteners hold the foot covers in place.</p><p><strong>Fits Up to Size US12: </strong>Ergonomically designed to fit feet up to Size US 12. It is designed to fit most feet; large space allows men and women to get a great experience in massage.</p>