Coffee method suggestions? : camping

I’m looking to buy something that’ll give the simplest method to making coffee while camping. I was looking at (image provided) on Amazon, and was wondering if anyone is familiar with making coffee while camping? If anyone has any other suggestion that they feel is more simple I’d be happy to hear. Thank you in advance! (Remove if not allowed). I also just really don’t know how to make it in general. My mind is trying to process adding grinds to boiling water without needing a filter??? Also not into the idea of buying instant coffee.

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