It is a key, which when used on rabbit statues in Dalaam, will cause the statues to dematerialize, along with the Carrot Key.If it used on the cow in Happy Happy Village, the cow will respond saying,  Cows and carrots? That's a nutty combination! .t is a key, which when used on rabbit statues in Dalaam, will cause the statues to dematerialize, along with the Carrot Key.