when you go into a store, and are swarmed buy employees or "salespeople," trying to "help" you with your decision on what to buy. you then feel obligated to purchase something from the store just to get them off your back. their creepy persistence makes you feel as if you try to leave the store with out buying something, the doors will slam shut, and you will be trapped inside until you are indeed "convinced."
basic persian pressure:
"this beautiful persian rug will look wonderful in your office, my friend. very high quality. i give it to you for only $3000.
or do you like this one? this one has a very beautiful floral design. for you, i give half off. only $4500.
it's up to you. so which one will it be?"