This is the perfect time to explain that Santa might not really be able to bring a unicorn since he knows your neighborhood isn't zoned for wild animals and since you don't have a good local supplier of magical creature chow.
Suppose someone imagined a blue and white striped unicorn.
Many things on the web are free, but the idea of a free no ads web host might seem about as realistic as a unicorn.
Bridge piercings can also be performed vertically; these are known as a third eye or unicorn piercing.
Further help on searching unicorn is given in the Unicorn guides.