Drop Point Blade (S35VN ss) 5 in closed 4 oz -The CGO1 Flipper is the first knife in the Case family maufactured by Southern Grind, multiplatinum Grammy Award-winning artist Zac Brown's Georgia-based metal shop. These knives feature a "flipper" style assisted opening function which allows the user to depress a small lever along the spine of the blade which assists the knife into its open and locked position.