alrighty! making this stuff took way longer than expected but these are my first forays into PVC as a common material drekir might and would experiment with. I wanted to skip the more obvious applications of PVC such as containers artistic mediums like sculpting, masks and jewelry and possibly springs, bows, prods etc.

So the first is the adze, really puts the experimental into experimental drekeology complete with an admittingly bad idea.

The head was formed over time by heating and cutting the PVC with a variety of implements, a knife being the big one, and then smoothed out. Lots of slivers that were also broken off by hand or blunt force while the PVC pipe was cool. I was careful to not burn it while heating to maximize its structural integrity and so I wouldn't release terrible gases from it (which is all around bad)
The head is essentially a pipe cut almost in half, with a small ring in the middle that hooks onto the adze handle and makes sure it doesn't get forced back, it was bound with a bunch of scrap string I had laying around, mostly cut pieces of fake sinew as I didn't want to waste too much on something I felt wasn't going to work.
The adze "blade" was sharpened with sandstone and polished with a nice little granite pebble I have. Made sure to do it in a place where I could safely store the plastic shreddings to ensure that it wouldn't pollute anything. Really didn't want to get PVC anywhere where it could cause harm after all. But after that came the test.

My abuse test of choice is oak, hardwood dowels for woodworking as its a very dry, very seasoned hardwood and generally its a good medium to make sure the toolhead can handle some abuse before I take it out to try it on living hardwoods. It did actually chop and peel off pieces of wood like an adze would for its first minute or so of use which was actually surprising. Though the blade immediately built up kinks in it that escalated into a blade that was quite literally crushed from the impact, it was breaking into small fibers of PVC. So after a couple of minutes it was basically useless.

I'll work out a quick copper head from some chunk of a copper beam I picked up the other day, it will most certainly work out well. but the PVC adze was, as expected, a bust.

The needle is a lot easier to explain, as I was hot cutting the PVC I broke off a lot of slivers and it was convinient to sharpen one and grind a groove into it using a copper knife and some sandstone. There are some cut marks on it from the hot cutting earlier working on the adze but thats fine. The needle works fine, it punches through lighter fabrics but struggles with hide and leather (an awl would fix that). Not much else to speak on with it.
Sewing needles in drekir societies are made out of many things, bone, PVC as seen here, as well as things like brass or copper of thicker gauges. Needles are pretty useful, sewing together separate cloths into one garment, making bags or stitching cuts and injuries. They are an underappreciated tool that has existed with us for a LONG time and will probably exist with the drekir for a LONG time.

Anywho, not the most successful or exciting experimental drekeology, like I said earlier I wanted to skip the easy applications of PVC that can kinda be assumed without much testing or research or those that already have been tested out by other people. Really gotta experiment!

As one last comment boy is forming PVC without modern tools a lot more difficult than I anticipated, it is very very doable but It does take some time.