To add a snap to your private lock story, follow these simple steps:

1. Open the Instagram app on your device.
2. Tap on your Profile icon in the top left corner of your screen.
3. Scroll down and hit the View More option.
4. Search for or pick the story you just created.
5. Next, tap on the Camera logo in the top right corner of your screen.
6. Then, record a snap using the Capture button.
7. Now, use the rightward direction arrow at the right bottom to post the snap.

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