What does the thick black knob in my chair do?
I've never figured out what this knob does. I have a lever for adjusting height, but I have a black knob you turn underneath that adjusts something. I've turned it max one way, and max the other, and can't tell the difference, although I know something is being adjusted.
What is it?
I find your lack of faith disturbing...
2001 Lexus ES 300
2013 BMW F800GS
2009 Harley Davidson Night Rod Special (SOLD)