It's a key to open a pot for the event. You can buy pots at any main city. It's a rabbit NPC

what is the effect of this dogi?

http://postimage.org/image/hct28p8az/

what r those coins ^^^

unbind cois if i am not wrong

My gift!

What's this item? (sorry for the little screenshot)

It is event item.

I deducted it myself by reading Event Item on its descriprion lol I wanted to know what's its utility.

it's a legendary key/carrot seed/whatever it may be , for this event

http://dbocom.com/forum/showthread.php?t=22707

http://dbocom.com/forum/showthread.php?t=22873

Can someone please explain to me what these items are, what they do, and how I use them? They've been sitting in my inventory for a while now and I'm getting slightly annoyed not knowing they are.

I've added the little numbers so you guys can explain in order from 1 to 7 and nobody gets confused.