Registrar

https://www.youtube.com/watch?v=uv6ikcv0P4o&t=120s

https://www.youtube.com/watch?v=B6-zoyWbW5s&t=200s

https://www.youtube.com/watch?v=oerQj3sg5N0&t=34s

https://www.youtube.com/watch?v=0CeWMzsJtUk&t=129s

https://www.youtube.com/watch?v=4TxbkXFeZ4Q&t=139s

https://www.youtube.com/watch?v=E9MvmqE9Hjo&t=156s