PSO-GC: What drops Sonic Knuckle??

[skullonsheild]

what monster drops Sonic Knuckle and in what difficulty? THX

[AlexCraig]

I don't recall this.

[concussionman]

The item database says that it is found from the Easter Rappy. So since the official servers aren't up any more, I don't think that there are any more holidays, so your out of luck.