Specifications

certical vertebra retractor can support part weight of the head and has treatment function of magnet force and far infrared ray

cervical vertebra retractor can support part weight of the head and take a little traction to the neck to settle the ache,it has treatment function of magnet force and far infrared ray and is a special retractor to remedy shoulders' ache to you just like to have a massage.operation is simple and  convnient