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How to Use a Can Opener

Learn how to use a manual can opener safely, attach it to the rim, turn the handle, remove the lid, avoid sharp edges, troubleshoot, and review FAQs.

Food & CookingEdited by Pramod Tiwari
2 min read

Quick Answer

To use a manual can opener, clamp the cutting wheel onto the can rim, squeeze the handles, turn the knob around the lid, then lift the lid carefully because edges are sharp.

What You Need

  • Can
  • Manual can opener
  • Clean towel if needed
  • Trash bin for lid
  • Spoon or tongs if lid drops in

Safety Precautions

  • Can lids and edges are sharp.
  • Do not run fingers around the cut rim.
  • Wash the can top before opening if dirty.
  • Use tongs or a spoon if the lid falls in.
  • Discard bulging, leaking, badly dented, or foul-smelling cans.

Step-by-Step Instructions

  1. Step 1

    Wash can top

    Wipe or rinse the lid if it is dusty or dirty.

  2. Step 2

    Open handles

    Separate the can opener handles.

  3. Step 3

    Place wheel on rim

    Set the cutting wheel on the top rim of the can.

  4. Step 4

    Clamp handles

    Squeeze the handles so the opener grips the rim.

  5. Step 5

    Turn knob

    Rotate the knob to move the cutting wheel around the lid.

  6. Step 6

    Finish the cut

    Stop when the lid is almost or fully cut free.

  7. Step 7

    Remove lid safely

    Lift the lid with the opener, a spoon, or tongs and discard carefully.

Practical Example

Example: You clamp the opener onto a soup can, turn the knob all the way around, and lift the sharp lid with the opener instead of your fingers.

Common Mistakes

  • Touching sharp lid edges
  • Starting with opener misaligned
  • Forcing a dull opener
  • Opening damaged cans
  • Letting lid fall into food
  • Skipping can opener cleaning

Troubleshooting

Opener will not grip

Reposition the wheel on the rim and clamp firmly.

Can opener skips

Clean the opener and check if the cutting wheel is dull.

Lid falls into food

Use a spoon or tongs to remove it carefully.

Can smells bad

Do not taste it; discard the contents safely.

FAQs

Which way does a can opener go?

The cutting wheel sits on the lid rim and moves around the can as you turn the knob.

Are can lids sharp?

Yes. Handle lids and cut rims carefully.

Should I wash a can before opening?

Wipe or wash the top if it is dirty so debris does not fall into food.

When should I throw away a can?

Discard cans that are bulging, leaking, badly dented, rusty through, or foul-smelling.

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