'Boomerangs' by Ewan Howell has texture but NOT Animation

[R3DZ00M]

Boomerangs is a resourcepack that turns tridents into boomerangs, adding a very cool spinning animation, which gets even better when the trident has loyalty, replicating a real boomerang. His pack IS updated to 1.21.10, the trident DOES have the texture, but NOT the animation for spinning!