Whats the best ways to prevent lash-backs when using a Baitcaster reel?

I’m new to using bait-casting reels, normally used an open faced, but due to me fishing more and more I decided to try the baitcaster. I practice a bit but not much due to the fact I can’t get more than two good casts with out getting lash backs and rats nests in the reel. any tips ?

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