A harness 10 for supporting at least two firearm accessories from a wearer’s belt includes a primary support 20, a belt latch 22 for removably connecting the primary support to the belt, and a curvilinear rail 16 secured to the primary support opposite the belt latch for positioning about the thigh of the user. In the disclosed device, the beam limiting unit and the beam splitting unit are integrated as a single unitary structure and positioned between the coupling unit and the light deflecting unit. The master piston 42 includes a compressible piston pin 56. The mobile telephone provides a customised menu of selectable options for initiating communication. Fibrils, particles or microcapsules incorporating a biologically active ingredient may be supplied for oral or nasal administration to an animal such as a human being. The phonebook can reside on either the UICC card, SIM, USIM, Mega SIM, any other smart card or an integrated chip, on the mobile device or on a remote server.