I also only use the brush to clear out the pan, when I want to render the weapon safe. Now as for the vent pick, I kind of feel like if you are constantly using the lug wrench on your car, there is probably something wrong with your car. Same goes for your flintlock. The guys that I know that are constantly changing vent liners, are the same guys that are constantly reaming their touch hole with a vent pick.
Hungry Horse