# Working with the EYWA Locker contract in Arbiscan.
## Creating a lock for a vesting safe
### How to find the claimed safe:
1. Open [Arbiscan](https://arbiscan.io/), and enter the wallet address that received the vesting safe in the search bar, or enter the link in the format {wallet address}, replacing {wallet address} with your wallet address.
In the list of , filter by the “**Claim**” function under **Method**.
2. In the filtered list, find the claim transaction. To locate the safe addresses, open **Transaction Details** by clicking on the chosen transaction.
3. Find the safe address in the **Transaction** **Action** or **ERC-20 Tokens Transferred**, checking the amount of EYWA tokens in that safe.
4. To copy the safe address, click on it and copy it to your clipboard.
{% hint style="success" %}
*Make sure you remember the address(es) of the safe(s) that you plan to deposit into the* [*Locker*](https://docs.crosscurve.fi/user-documentation/dao/eywa-locker-interface)*.*
{% endhint %}
### How to create a lock for a safe whose address you already know
1. Go to the EYWA Locker contract page: `0xdCa5d16ac3708658ECc971d3AeE5d5CD6e5E1faD` , choose  and connect your wallet by clicking 
2. Expand the 5t line, **createLock**, and fill in the fields:
**lockDuration\_(unit256)** - the lock duration in seconds
**recipient\_(address)** - the wallet address of the lock’s owner (it’s important that you have access to this wallet)
**vestingWallets\_(address\[])** - the array of safe addresses**\***
{% hint style="info" %}
***\**** *for locking a single safe, enter the safe address **\[address]** in the square brackets in the field **vestingWallets\_(address\[])**. For two safes, **\[address1, address2]**, and so on.*
{% endhint %}
3. After the filling in the required fields, click the button and sign the transaction in your wallet.
Once the transaction is successfully processed on-chain, you will receive an **EYWA DAO NFT** in your wallet.
{% hint style="success" %}
***To later boost your votes, remember the ID (EYWA DAO NFT ID) of the created lock.***
{% endhint %}
4. Go to your wallet page and expand the **TOKEN HOLDINGS** list in the **Overview** tab.
5. Find the **EYWA DAO NFT** you received after creating the lock and open its token page.
6. Find your **EYWA DAO NFT ID** in the  transaction list under the Item column or on the **Transaction Details** page in the **ERC-721 Tokens Transferred** section.
## Boosting votes by adding an NFT.
To receive a boost, you must have the **EYWA DAO NFT** on the same address that you created the lock from, and you must know its **ID**.
1. Go to the EYWA NFT contract address `0x33b98A477512A34Af0D311DA5F59FC5341693962` page: and confirm the lock for this NFT in the contract.
Select  and then click
2. Expand the “**approve**” first line and fill in the fields:
**to** - address of the **Locker** contract `0xdca5d16ac3708658ecc971d3aee5d5cd6e5e1fad`
**tokenid(unit256)** - The **ID** of the NFT to receive the boost. (If you need boosts for multiple NFTs, repeat this operation for each NFT)
## Voting boost
1. Go the the EYWA Locker contract address page `0xdca5d16ac3708658ecc971d3aee5d5cd6e5e1fad`
2. Select then clickand connect your wallet by pressing 
3. Expand the “**boost**” second line and fill in the fields:
**tokenid\_(unit256)** - The **ID** of the lock (**EYWA DAO NFT ID**), to be boosted.
**collectionTokenIds\_(unit256)** - the **ID**(s) of the NFT(s), that will provide the voting boost (If you have only one NFT, enter **\[id]**. For multiple NFTs, **\[id1, id2]**, and so on).
4. After entering the information, click the  button and sign the transaction in your wallet. To see your updated voting power, go to the [**Locker**](https://docs.crosscurve.fi/user-documentation/dao/eywa-locker-interface) interface.
---
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