Mastiff dogs which weight up to 90kg fight each other. They are ranked equally like sumo wrestlers.
Unique Suggestions: I'm not sure if Token is a tourist trap, because you get lots of action for your money, but I just felt sorry for the poor dogs. It was hard to watch the whole fight. No dog would gave up. Be prepared to see some blood.
Token - Dog fights
Kochi is well known for Token. If you go to Katsura-hama area you can watch a dog fight.
Unique Suggestions: It will cost you around 20 Euro for the dog fight and a dance performance afterwards. You will also be able to see the long tailed roosters.