A coding device includes a coding unit for encoding an input digital signal using code words contained in one of a plurality of variable length code word groups, and a multiplexer for generating a stream by generating a parameter describing specific information about the stream, encoding the parameters, and adding it to the output data from the coding unit. The composition binds to the transient receptor potential-M8 receptor of cells. Each of the first and second piezoelectric elements has at least one piezoelectric body and a support block for supporting the piezoelectric body. During the accustomization phase, the adjusting elements exercise, for example, only about half of the stroke during the action phase. Also, disclosed is a conventional tufting needle which has the conventional yarn guide and protection groove.