Trading in scrap.tf is slightly different from normal trading. Normally, you send someone a trade request (or they send you one) and then you trade. With scrap.tf, in order to ensure fairness, we use a queue system. The queue is fairly straightforward; when you request a trade via scrap.tf, it adds you to the queue.ormally, you send someone a trade request (or they send you one) and then you trade. With scrap.tf, in order to ensure fairness, we use a queue system. The queue is fairly straightforward; when you request a trade via scrap.tf, it adds you to the queue.