Disclosed is a putter head and a putter having the putter head comprising a putter head body having a putter shaft connector and least one horizontal bore extending therethrough and a locatable adjacent to the putter head body. Generally, the apparatus provides an optical signal wavelength selective element enabling output of a selectable optical signal wavelength component. An i-type amorphous silicon film and a p-type amorphous silicon film are formed on the entire area of a back surface of the n-type single crystalline silicon substrate. The host driver captures real-time data transactions, preferably in the form of an event journal that is provided to the data management system. For example, the tether element may have a diagonal orientation, or different tether elements may have different lengths.