Preparation
Fig. 11 - 03
11 - 5
Fig. 11 - 06
2
1
11.05 Adjusting the needle thread tension on flat buttonholes
and flat bartacks
● Adjust tensioners 1 and 2 ( less tension )
so that the knots in the stitches are
pulled onto the underside of the material.
Carry out this adjustment with
a needle thread and a bobbin
thread of different colours.
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