1. Make sure your account is on public
2. Go to https://temp-mail.org/en/ to get a random email
3. Go to https://skweezer.net/free-instagram-followers and put in your instagram username and the email you made.
4. Go back to temp-mail and confirm your gmail.
5. You followers will come in, wait 5-10 minutes and change your instagram user to something different.
6. Repeat the process as much as you want. (Steps 1-5)