The Bloods are identified by the red pipe worn by their members.
Tactile corpuscles -LRB- or Meissner 's corpuscles -RRB- are a type of mechanoreceptor .. mechanoreceptor. mechanoreceptor. They are a type of nerve ending in the skin that is responsible for sensitivity to light touch .. nerve. nerve. skin. skin. touch. Somatosensory system. In particular , they have highest sensitivity -LRB- lowest threshold -RRB- when sensing vibrations between 10 and 50 Hertz .. Hertz. Hertz. They are rapidly adaptive receptors .. rapidly adaptive receptors. Sensory receptor#Rate of adaptation. They are most concentrated in thick hairless skin , especially at the finger pads .. skin. skin