Why Your Eraser Smudges (And How to Fix It)

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Why it smudges:

Over time, rubber hardens and loses flexibility. Instead of lifting graphite, it spreads it.

Method 1: Fine sandpaper

  1. Sand the eraser with 400-600 grit until soft and white.
  2. Wipe off dust.

Method 2: Warm water

  1. Soak for 10 minutes in warm (not boiling) water.
  2. Pat dry with paper towel.

Result: Erases like new!