Jumpking JP1514 用户手册

The last step is to attach key #3 to the end of key #2.

Now, repeat this step with the other top rails, making a total of five top rail sections.

“Underside”

“Top of Tube”

You now have assembled one section of top rails. 

Key #3

5 Spring holes on top
2 Spring holes on the bottom
(7 Spring holes total)