Knives Out is a mobile battle royale FPS game developed by Netease. The premium currency in Knives Out is vouchers. You can buy all kinds of cosmetic items like parachutes, weapons, vehicles, and emotes. Although the Knives Out vouchers won't affect the balance of the game, they can still boost your gaming experience greatly.
To get your hands on vouchers, the only way is to
top up Knives Out vouchers with real money. You can either buy Knives Out vouchers in the game or buy Knives Out top up services on a third-party online trading platform.
The in-game store is usually the choice of most players. But if you want to save some money while enjoying the game, you can consider buying the Knives Out top up service from the online platforms. Because they hold promotions in which the price could be cheaper than the in-game store.