Finally! I got the Comfort Back Padding that Teufelberger makes from Arbsession (because they are the only people who I found that carried it) because it was on back order. Kind of a frustrating experience with Arbsession (first time ordering from there, too), who didn't even realize that they were out of stock for this item until I called wondering why my order hadn't shipped. They should have de-listed the item from their store. Took around four plus months to finally get the item.
Anyways, I have the Comfort back padding and installed it onto my Treemotion Essential, which didn't come with very much padding at all, and now it's so much more comfortable. It's 4x more padded than it was, in the back and sides and, better yet, it wraps around the front of my stomach, so that I don't have to struggle with the waist band digging into my stomach and pinching me and whatever else, which didn't happen terribly often, but it happened enough for it to annoy me.
The Comfort back padding simply Velcros onto the harness and has some velcro around the front part to keep the wasit strap in place and to keep it closed. It's very nicely made and now I have a uniquely colored green trim around the tops and bottom of my harness. It was $50 and worth every penny. I can't recommend it enough.
Lastly, I bought a 240cm Dyneema sling awhile back, which was coincidentally also on back order, so it was nice to get stuff I had almost forgotten about and where I paid for it so long ago that it was like getting presents from myself, completely regret free haha The sling is for creating redirects and anchors. It's rated for 23kN, and much more light weight and thinner than nylon or polyester.