How do I get the tiktok shop coupons?

Hey guys just wanted to ask does anyone know a way or how to get the tiktok shop coupons with the 3 presents like every week. Im aware that they are likely to pop up every Friday but still does anyone know like do I need a new device with proxy which do I need? Also I know that not all sellers accept them but still there are some decent deals to pick up I’ve found