Old Hand

Old Hand (オールドハンド) is a weapon that can be used by Demyx in Kingdom Hearts 358/2 Days. It can be upgraded to Old Hand+.

In music, an "Old Hand" is someone who is talented with an instrument. An old hand at the sitar, for example, is someone who is talented with it, and can pick it up at any age and play as if they haven't lost a beat.