Thought I'd share a project I put together two years ago. Basic concept: Be able to swap whole pick guards without removing strings or soldering. Carry a fleet of guitars in a brief case to fit the common chassis. Not a new concept and many approaches exist out there to adding this flexibility. I expect I will make a version "2.0" down the road that makes improvement over this. I would be interested in any notes of similar guitar modifications you have seen or done. Solution: -Cut pick guards that do not hook around the neck -Fasten with one fixed screw on the top and two thumb screws at the bottom where the pick guard wants to curl. -The thumb screws go into long stand-off nuts that were super glued into body holes. -Install an RCA phono jack inside the control cavity and use RCA phono plugs to attach the loaded pick guard to the guitar body. The standard guitar output jack plus the body ground wire are soldered to this RCA jack. The RCA cable is shielded for normal audio use to cut down on hum (although body cavity shielding and pick guard shielding are absent for now). -Custom cut pickup slots in a variety of pick guards -Route the body so loaded pick guards can be slid under the strings at full tension. Body started with a pool route. P90s need a little wider cavity. -Whole pick guards allow matching pots and caps to the pickups to get authentic tones. -Pick guard blanks are cut from bathroom wall/shower panels (these have texture on the shiny side) but could be Garrolite, scrap plastic, or another inexpensive sheet material. -Blocked the trem since I don't use it. -Pots, caps, knobs and switches out of the random parts box. Overall it works quite well. Changing the tone styling involves removing the thumb screws, pulling the old plate out, removing the RCA plug, attaching the new RCA plug, sliding the new plate in, aligning the plate slot with the top pin, fastening the thumb screws. It is not meant for during-a-song or during-a-gig to swap out since it takes a few minutes, but I could show up at a gig and see the other player(s) have Strats and LPs and I can put in a Tele or a set of P90s. Guitar chassis origin: I picked up this used $15 Strat-like guitar that must have originally sold in a big box store for under $75 when it was new. It needed a lot of work as it had been a younger kid's starter guitar who didn't value it as anything, knocked around, stepped on, tossed in and out of the closet, until the kid upgraded to another guitar. I fixed up the broken bits and smoothed out the rest so it would play. The body appears to be bass wood, and possibly spalted bass wood based on a spot I cut out. Benchmarking (I'll edit in some links): Leo Fender had a block guitar set up and could slide in pickups mounted on other blocks to test tones, that can be seen in pictures of his work bench at G&L. TV Jones had a demo guitar at the 2016 NAMM so visitors could test out their pickup products, at least one youtube video out there. These slid in channels on wood blocks from the top down, with only gravity retaining them as I remember. PRS has a guitar with a pickup sized hole from the back to the front to test pickups. I recorded some tones from the classic pickup layouts cycling the switch from each position from bridge to neck clean and then neck to bridge dirty. Poor playing and fast recording, but at least the recordings are short! The Tele plate here is more twangy (not attempted in the recording!) than my other Teles. The Strat plate bridge pickup is bad and needs the connections or pickup itself fixed. I need to find Jazzmaster and Jaguar pickups to make those plates. I have around a dozen blank plates. Any cool ways you've seen this done? Include example pictures if you can. . .