I have seen armrests in some trucks that i have bought and others i rode in that had a "thick" hard stain from what i assume is body oils compounding over time. The first was on a medium grey cloth...
Ha ha ha. I had just asked about this same thing using the "contact us" tab. Then I noticed the forums so I created an account and logged in and found this thread. I have some of the Chenille "mitts"...