illustrate an alternative embodiment of a lantern lock 100 implemented in accordance with the invention as illustrated in this embodiment the lantern lock 100 comprises a frame 102 over which an accordian style light shade 5 is spread and held as illustrated in fig5 c the light shade is preferably an accordian style light shade 5 comprising a plurality of ribs 5 c supporting a flexible material 5 d with desired light diffusion properties the lantern lock 100 also includes a clamp mechanism 110 which clamps at least a portion of the original socket assembly 104 supplied with the hanging lantern the clamp device 110 includes a first clamp base 110 a having a mounting stud 12 mounted thereon and a second clamp base a tightening mechanism 112 such as a screw tightens the clamp bases 110 a and 110 b together the clamp device 110 may be used to clamp the socket assembly 104 as shown in fig5 d and 5e or the power cord 26 as shown in fig5 a 5 b and 5 c such that the frame 102 is fixedly positioned relative to the clamp device 110 the lantern lock 100 via the fixed mounting stud 12 then operates similarly to the embodiment shown in fig1 a 1 b 1 c 2 3 a 3 b 4 a 4 b 4 c and 4 d for interfacing with standard film and video production lighting equipment such as c stand gripheads although this preferred embodiment of the present invention has been disclosed for illustrative purposes those skilled in the art will appreciate that.