Instructions STEP 1 Choose the same tooth remover port as the zipper model and close the zipper STEP 2 Place the zipper on a sturdy and heavy metal plate (such as a punching table) STEP 3 Insert the zipper teeth that need to be removed into the slot of the tooth remover port STEP 4 Keep the teeth remover vertical, use a hammer to strike the top of the teeth remover, and the zipper teeth will come off Warm Tips It is normal for the teeth remover to get stuck with fragments of zipper teeth during use. Please clean them before use. Failure to clean them in a timely manner may result in broken teeth or difficult to cut