Remove sticker gunk: An eraser works as a mild abrasive to get residue off glass and metal surfaces.
Secure your earrings: If you need a quick fix when you lose an erring back, break the eraser off a pencil and poke the post through it.
Polish silver: Rub a pencil eraser on dull silver jewelry. The rubber particles will absorb oil and residue, leaving your accessories as shiny as ever.
Extend battery life: Lightly brush the contact points of a dying battery with an eraser to remove the nickel or iron oxides that build up and cause a drop in voltage.
Spruce up suede: Gently run an eraser over suede shoes or clothing to remove minor stains and marks.