Features:1. faster, more efficient, fastest, can be fully filled in 20 minutes.2. Easy to disassemble.3. The invisible effect is better, the 1.7mm plug is more concealed and more realistic.4. The product meets the export standard, and the health and environmental protection does not cause allergic reactions.5. Hair rays can be used again and will not be shortened.6. can really remove the hair, leaving no residue. It is easy to use and easy to handle, saving cost and time.Package Included:1 piece of hair extension plug1 pliersInstructions:1. Turn the striker on the hairpin to expose the metal connection and leave it outside.2. Press the receiver button by hand and push back and open the slot.3. Insert the metal head into the socket of the receiver, loosen the button on the receiver, and pinch the hair.4. Remove the needle card from the back of the hair bundle.5. Place the nail in the card slot above the receiver.6. Combing the hair to straighten and choose a thin layer of hair.7. Insert the hair evenly into the groove.8. Press firmly on the connector.9. Finally, disconnect the receiver and select the needle plate.10. Will connect 10 bundles of hair bundles.