YOU SAID:
I have shoes on my head
INTO JAPANESE
私は頭が靴を持っている
BACK INTO ENGLISH
My head has shoes
INTO JAPANESE
私の頭には靴があります
BACK INTO ENGLISH
There are shoes in my head
INTO JAPANESE
私の頭の中に靴があります
BACK INTO ENGLISH
There are shoes in my head
That didn't even make that much sense in English.