Forked Tongue
From The Wajas Wiki
Forked Tongue a type of Potion Mutation. They can be permanently added to your waja by using a Ptthhh Potion. Forked Tongue gives your waja a long, reptilian tongue coming from its mouth.
Mutation Appearance
All examples feature wajas with FF0000 (pure red) Forked Tongues. However, this mutation can come in any Hex Color as well as any Texture.