

As far as I recall, the only locks mentioned during the [Dressrosa
Arc](http://onepiece.wikia.com/wiki/Dressrosa_Arc) are:

  * The lock to the [SMILE factory](http://onepiece.wikia.com/wiki/SMILE_Factory)
  * The lock of Law's handcuffs

Though, in **chapter 747** Doflamingo destroys the key to the factory.

[![enter image description
here!](https://i.stack.imgur.com/F8NHhm.png)](https://i.stack.imgur.com/F8NHh.png)

And in **chapter 750** , we can see Viola holding the key to Law's handcuffs.

[![enter image description
here!](https://i.stack.imgur.com/K9wzqm.png)](https://i.stack.imgur.com/K9wzq.png)

So what is the key, Doflamingo is holding in **chapter 752** , for?

[![enter image description
here!](https://i.stack.imgur.com/eYNeim.png)](https://i.stack.imgur.com/eYNei.png)


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one-piece
What is the key for, Doflamingo is holding in chapter 752?


I think as far as we know, you can't tell for sure if it's one of these two
possibilities.

But if I compare the key to the SMILE Factory with the last one you can't see
anything similar. So I think it's **not another key to the Factory.**

![enter image description here](https://i.stack.imgur.com/k1zC5.png) ![enter
image description here](https://i.stack.imgur.com/wipsz.png)

Even though the other is much smaller on the picture, if you zoom in, you can
see that the **key for Law's chain is round.** On the other side
**Doflamingo's key has the shape of a heart.**

Another point is, that the **left one has a little hook...**

![enter image description here](https://i.stack.imgur.com/YnYgu.png) ![enter
image description here](https://i.stack.imgur.com/wipsz.png)

So I think this is just speculation, but I think even if it's one of these two
options it would be the key to Law's chain.

In my opinion, it's a key to something new, maybe even more important.


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I know it's a month ago you asked this, but it hasn't really been made clear
in the manga yet, sort of, so I'll drop my opinion. I think it's just another
key to Law's handcuffs, because Doflamingo said he had something to deliver,
but wasn't able to accomplish the job. Seems pretty obvious to me he's
referring to the key he's holding in the next panel. I don't think he just
went there to kill them, he even said so himself, he came to "save" them. Also
it's just logical for him or at least his 'family' to hold on to a key for the
cuffs, seeing as Law was his prisoner and Doflamingo's got personal business
with him. Even if that means there is more than one key.

On the other hand.. It being heart shaped and all, and the whole heart theme
regarding Corazon.. And although he wanted to bring Law the key it doesn't
really have to be for his cuffs.. I do think so but you're right. Maybe it
does have another purpose. xD If there is any more meaning to that key I think
we'll find out when they finally face each other again, probably the next
chapter! ^^


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