it isn't a device at all it is the Uzumaki clans symbol almost every character has it.
October 10
None
His birthday is October 10th
just go to naruto.com and you will find the anwser it is jiraia
Mnemonic device
nine-tailed demon fox
they are a group called "Chaba"
The shoulder blade is called the scapula.
The shoulder blade is called the scapula.
sakura
No.
The shoulder blade, also called the scapula, is found at the back of the shoulder.
B
He has no sisters.
October 10
narutos dad and 4th
no a shoulder bone is called a clavicle which is a scientific name.