How to round the T-pin and 9-pin


  • Step 1

    The parts are passed through the 9 pin (T pin).

  • Step 2

    Bend the base of the pin to 90°.

  • Step 3

    Cut off any excess leaving 6-7mm from the root.

  • Step 4

    Screw the end of the pin with a round Yatco, twist your wrist and rotate it all at once to round it.


  • The pins are in the same orientation.


  • His mouth is open. It's falling down.
    *If it bends, adjust it with a flat yatco.

See other basic techniques