Steam Community :: Guide :: (outdated) All Cs:Go Knives Info,+Where you can buy them IRL (with product links <$50)
Spy's Butterfly Knife team Fortress 2/TF2 1:1 Replica / 3D Printed Balisong Flipping Cosplay Prop - Etsy
Butterfly knives - Wicked Store
Neptune Trading - Wholesale Knives and Swords at the Cheapest Price! 9 1/2” TRAINER Neptune Trading- Wholesale Knives and Swords at the Cheapest Price!