The guys on the "sheaths & such" sub-forum will tell you to stay away from chrome-tanned leathers because they can cause negative reactions such as discoloration or corrosion during long term contact because of the chemicals. I found that to be true with a GEC toothpick whose bolsters turned yellow. It buffed out with no problems and the key to using some glove fingers, "fine" garment leather, and upholstery leathers is to only use the sheath when you've got the knife in your pocket. Vegetable tanned leathers are the material of choice for the guys that make "durable" leather goods because they are more robust and tend to last longer. I like the idea of using glove fingers and have a pair of "black" Navy gloves that may be sacrificed for the cause. There have been many threads on this sub-forum about pocket sheaths with lots of pictures and innovative designs - dig them out and look them over.