
1. Insert forceps to separate the walls |

2. Insert the first stay stitch in the upper corner |

3. Attach the stay to the frame |

4. Insert the second stay in the lower corner |

5. Attach the second stay to the frame |

6. Insert the third stitch in the middle between two stays |

7. Fourth stitch applies between the 1st and 3 rd |

8. Fifth stitch between 3rd and 2nd |

9. Rotate the clamp and repeat 3rd, 4th and 5th stitches in order |

10. Examine all 8 stitches for gaps and remove the clamps |