Once you have set up the initial Kindle connection as outlined in the setup guide, you can use the 'Send to Kindle' feature in the following way:
1. From the 'For You' screen, navigate to your Library.
2. Tap on 'Saved', 'Finished' or 'Downloads' to find the title you want to send to Kindle.
3. Tap on the 3 dots next to the Blink you would like to send to Kindle.
4. Select 'Send to Kindle'.