Or, just don't grind the dust into your grooves in the first place! I useh one of these things (similar, not the one shown). I have very old lps that still play like new. A simple and cheap solution.
The cleaning arm, and there’s several models out there, purports to clean as you play. A small brush is fixed to the end that sits on the rotating record, removing dust before it hits the stylus as well as removing static. One of the better models out there.
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