2) The plastic drywall anchors are self-screwing with a Phillips head screwdriver as long as you drill a big enough pilot hole. For reference, I use an XL HyperX Mat and my DPI is set on the lowest setting (800 DPI). Except the hardware on side of drawers which show! My wife has developed a taste for it, and I?ve always had a soft spot for it. Only one photo is shown, but both sandals broke in half! I am having to slowly break them in, first time Ive ever had to, but then, my feet are different now. Second, any ink waste that results from the combined color cartridges is minimal compared to the "waste" generated from separate color cartridges. The shoes were extremely small and narrow. I did the research and read the reviews and for the money this kept coming out on top or near the top. The original ones would constantly fall off of my headphones, but these seem to have a tighter fit.