and an extension end 42 the extension ends 42 are shaped into a semicircle and have a four open radial notches 46 positioned with respect to a horizontal reference forward of the holder at 45 degrees 0 degrees 45 degrees and 90 degrees at the approximate midpoint of the diameter chord line of the semicircle an obtuse triangular opening 44 is formed along each extension element side 43 the corner of the triangular opening defined by the obtuse angle the obtuse corner 45 is centered on the longitudinal axis of the extension element 40 and is the foremost point of the triangular opening 44 the side opposite the obtuse angle is formed into four open radial notches 47 corresponding in angular position to the extension element radial notches 46 the light housing 50 has a conventional rounded shape with a light bulb 51 inserted into a conventional socket 52 contained therein a transparent protective element 53 encloses the forward end of the housing 50 a horizontal extension element 54 is attached to the rear 55 of the housing 50 the extension element 54 has a central opening 56 for passage of wires 57 from the housing light socket 52 the extension element has two external sides 58 each containing two cylindrical peg like protrusions 60 61 the pegs 60 61 are aligned horizontally along the central longitudinal.