Demo mobile phone: glory 9x, demo system: Android 9, demo software: bug assistant, software version: 4.2.3.

1. Open the phone interface, and click Bug Assistant to log in. As shown in the following figure

2. After entering the main interface, click the search icon at the top to enter. As shown in the following figure

3. Then enter the sausage party's competition clothes in the search box, and click the search at the back to enter. As shown in the following figure

4. After that, in the search results interface, click the application in the clothing column of sausage party competition to enter. As shown in the following figure

5. After entering the application details interface, click the appointment in the lower right corner to enter. As shown in the following figure

6. After entering the options interface, click Submit to enter. As shown in the following figure

7. Finally, the interface can display the words "Booking Successfully". In this way, I successfully booked the sausage party competition clothes, and I can download them after I go online. As shown in the following figure