The Persecution of Mr. Crab, as Demonstrated by Gracie, the Connoisseur of Seafood

First, the result:

The Arsenal of Technique:

I. The Transverse Paw-Assisted Buzz-Saw

II. The Surprise Surgical Strike

III. The Direct Frontal Assault

IV. The Decapitation

V. Vertical Envelopment

The Approving Mentor