Boost it with quote option.

#[0]

Copy the noteid of that post, then create a new post with your comment followed by @noteid

In damus, three dots on the right of note.

Copy note ID

Open new note slap a @ followed by the ID

Long press does not seem to do anything for me

Thank you so much🌞 #[1]​ #[2]​ #[3]​ 🙏🏼🙏🏼