you use it to find beard beards treashure.
You get it from Eddo on Cannon Island
to get a cannon you have to go to cannon island
Cannon island
After a certain point in the game, you go to Cannon Island. Then you get the cannon
how do you get the treasure on zazes island
it's the cannon in eddo's garage in cannon island which is only 20 ruppes
There is an Island named Cannon Island between your starting Island and the Isle of Ember. There, run around the entire Island to the workshop. Pay 50 Rupees there, and wabam: You have got the Cannon!
its by the road near the bottom of the island,south,
Stop by Cannon island and pick up a cannon, then go back to the Temple Of the Ocean King.
You have to get up close to it. Then, Linebeck will say something. After that, you have to take the cannon and go around the island and shoot the cannon at the ice until all of the ice is gone.
To get it, grab a chicken and jump on the island thing :D
Eddo on cannon island if you talk to the guy on Mercay island the one in the green shirt by Linebecks ship he will always tell you the new stuff that Eddo has