Erasing shield to mask areas you don't want to accidentally erase.
Staedtler Mars Erasing Shield
STAEDTLER Erasing Shield - Small – Opus Art Supplies
Eraser shields ensure that you can precisely erase without smudging your work or damaging it with dust and residue. Ideal for drawing and drawing. This erasing shield features fourteen smooth openings plus a row of holes for making dotted lines.
Staedtler Mars Erasing Shield
Erasing Shield – ICE Scotland Museum
Staedtler Mars 529-50 Erasing Shield 95x64mm
Different ways of drawing an outline image for your watercolor
Eraser Shield/ technical erasing tool - Brushes and More
8 Pieces Erasing Shields Stainless Steel Erasing Shield Kit 3 Erasing Shield Stainless Steel Drawing Template 1 Edge Cleaning Brush 3 Erasers and 1 Zipper File Bag for Painting, Shield Drafting Tools : Office Products
Staedtler Eraser Shield – Hues Art Supply
Staedtler Erasing Shield PCC Bookstore Sylvania/Distance
Erasing Shield
DMP - Dave's Mechanical Pencils: Tombow Mono Zero Stick Eraser Review