It's a symbiotic relationship
The Vikings brush and braid the giraffe's hair and occasionally pet it and say it's a lovely giraffe (giraffes can be rather insecure), and in return the giraffe gives them a ride over the ocean.
(
Tribs 🦇 ↓ dn ʎɐʍ sᴉɥʇ ↓🦇,
Fri 2 Jul 2010, 13:53,
archived)