engagement with a mating profile 90 along an underside 92 of the interior trim 26 with the first groove 72 and the second groove 80 of the second plugless lock 34 in this embodiment the mating profile 90 includes a ridge 122 that extends along the underside 92 of the interior trim 26 and is shaped to fit within the first and second grooves 72 80 this configuration may prevent unwanted rotation between the interior trim 26 and the second plugless lock 34 as they are being attached a fastener 82 may be operatively inserted through a central hole 84 of the second plugless lock 34 in one embodiment the underside 92 of the interior trim 26 includes an extension portion 94 configured to receive the fastener 82 as it extends through the aperture 84 along the branch 58 of the second plugless lock 34 the extension portion 94 may extend from the underside 92 of the interior trim 26 and abut against the branch 58 as the fastener 82 is installed the extension portion 94 may extend radially passed the edges of the branch 58 to form an overlap portion 96 the interior trim 26 may be formed from a variety of materials including but not limited to plastic metal wood or any other suitable material the fastener 82 may be any type of fastener including but not limited to a screw nail nut bolt lag or any other appropriate fastener the first plugless lock 32 may be configured to be received in a space 100 between the door slab 14 and the window glass 12 as shown in fig2 a and 13 the combination of the first plugless.