To follow Cổ Ngư on Itemface:
- Sign in to the Itemface app (Signup if you haven't already done so).
- Click on the 🔍 Search icon and enter Cổ Ngư, then from the list of the search results, click on Cổ Ngư.
- Click on the Follow button to follow and receive notifications from Cổ Ngư.
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