I will either vacuum or use compressed air to blow mine out at the end of each day of use or week. Just depends on how much I use them and how dust I've created at the time of use.
***Please fill in your profile, at least your location. As this will help us help you better.***
"Whether active duty, retired, national guard or reserve - is someone who, at one point in their life, wrote a blank check made payable to "The United States of America", for an amount of "up to and including my life". That is HONOR, and there are way too many people in this country who no longer understand it." -Author Unknown