How we change what others think, feel, believe and do
There are a number of variants of Puppy Close.
Give them the product to try out. If possible let them take it home. Like a puppy, it should sell itself.
Be charming and cute, just like a puppy dog.
Flatter them. Be very nice. Act something like a good child who deserves a reward.
Another variant is to frame what you are selling in the same cute and fluffy light.
The Puppy Close, when you are acting in a cute way, works by appeal principle, where you appeal to their kind and gentle nature. By framing the other person as good and kind (with which, of course, they agree), you also invoke the consistency principle, where they then feel obliged to act in alignment with the way you have described them (and they have accepted as an accurate and true description).
Acting in a child role is playing the Parent-Child game from Transactional Analysis. Where you act as a needy and deserving child, you invoke the Nurturing Parent in them.
And the big