so apparently you are able to get bonus reward tickets from scratch tickets, but how exactly does this work? Do you need to use a certain amount of tickets for the same loot box or can it be overall? Once you get this ticket, what exactly can you choose, is it bond to a certain box and its contents?

Edit: I found a counter for each box so i guess you get a bonus ticket after 30 regular tickets and are able to select one item from the box.