Fix the telescopic runners
( take the left side for example same for right side)
1. Put the point A and B of the telescopic runners horizontally on the outer wire.
2. Rotate the telescopic runners anti-clockwise(clockwise for right side)by 90 degrees.
3. Push forward the telescopic runners, make the point C buckled onto the lower wire
and the point D buckled onto the upper wire.
1
2
3
A
B
C
D
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