Helmet Space with Open Face Rounded, Top Hinge

Brick Curved 2 x 2 x 2/3 Plate Round 1 x 1 with Solid Stud Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot] Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Bracket 1 x 2 - 2 x 2 Inverted Brick Sloped 45° 2 x 1 with 2/3 Inverted Cutout and no stud Plate 1 x 2 Plate Special 1 x 2, Top Clip [Split] Arm Mechanical with Clip [Thick Support] Plate 2 x 4 Plate Special 3 x 2 with Rounded End, Hole Plate Special 1 x 2 with Handle on End [Closed Ends]