Sole fumigation function and sole lumbar vertebra traction can work at the same time. Technoogical superiority of Fumigation and Traction Treatment Bed:Sole fumigation function:1) Can make local fumigation:Multi parts such as neck,shoulder,vertebra,loin,knee and lower limbs2) Can make head outside whole body fumigationSole lumbar vertebra traction:Electric control,inching switch,both of the ...