tapping head meaning in English

攻丝头
螺丝板牙

One kneading massage pillow on neck ; rolling stroke 、 kneading and flipping massage functions on waist with two rollers ; two tapping heads on thigh ; one leg massage divice
颈部一组揉捏枕头；腰背部两大滚轮上下行走，对腰背部进行滚压、揉捏、弧摆按摩；大腿部两个捶击头；小腿部一组美腿按摩机构。
One kneading massage pillow on neck ; multiple tapping massage function on shoulders with two percussive massage heads ; 8 rolling and kneading massage heads served for kneading massage on waist / back for wide area ; two tapping heads on thigh ; one leg massage device on calf
颈部一组揉捏枕头；肩部两个捶击头能进行多种方式的捶打按摩；腰背部八个推拿揉捏按摩头，可对腰背部进行大面积揉捏按摩；大腿部两个捶击头；小腿部设一组美腿按摩机构。