What are /r/cavalierkingcharles' favorite Products & Services?

From 3.5 billion Reddit comments

I agree that Cavaliers are easier than most other breeds (at least, in my experience).

But there was a product that I think is helpful, for any breed, which is this stuffed animal that emits a heartbeat sound and contains a handwarmer so it's warm. The idea is that it feels like the pup is still around her momma and littermates. Here's an Amazon link to the product page.