You could just give them to people who don't have any, or are "down" about a sick cat or the like. It doesn't have to be somebody you know well.
I find it harder to choose which gift to give. I love pigs, and they're supposed to bring luck, but suppose the recipient thinks I'm implying they're a pig? I've given far too many paw prints already.
And I never know what to give so I usually just give hearts because it has something to do with love. I wish they had hugs in the store, I love to hug, and that is what I would give.
I have given gifts to people I don't even know.