You can use StarkGate, the official Starknet bridge, to transfer funds to Braavos from Metamask or any other L1 wallet. . Follow these steps:
- In your wallet, click on “Deposit”
- Choose “Bridge from L1”, then choose StarkNet Bridge
- Connect your Ethereum wallet (e.g. Metamask)
- Connect your Braavos wallet
- Enter the amount you want to bridge
- Click “Send” and validate the transaction.
For a detailed walkthrough, check out this tutorial: