Helmet with Jagged Jaw

Technic Pin with Friction Ridges Lengthwise and Center Slots Arm Mechanical with Clip [Thick Support] Technic Axle 2 Notched Brick Sloped 45° 2 x 1 with Bottom Pin Tile Special 1 x 2 Grille with Bottom Groove Bar 4L (Lightsaber Blade / Wand) Tile 2 x 2 with Groove Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Brick Curved 2 x 2, Two Top Studs Hinge Brick 1 x 2 Locking with 1 Finger Vertical End and 2 Fingers Vertical End, 9 Teeth Technic Pin Double with Axle Hole Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes]