Make sure the trampoline is in the middle of the catamaran.
![](https://nacrasailing.com/wp-content/uploads/2021/06/Coiled_rope.png)
![](https://nacrasailing.com/wp-content/uploads/2021/06/Coiled_rope.png)
1. Tie the middle lace line to both forward grommets using a bowline.
![](https://nacrasailing.com/wp-content/uploads/2022/07/middle-lace-line-576x1024.jpg)
![](https://nacrasailing.com/wp-content/uploads/2022/07/middle-lace-line-576x1024.jpg)
2. Loop the line through all grommets. Diagonally on the underside of the trampoline. Straight across on the topside.
3. Pull the lace line on to tension from front to back.
![](https://nacrasailing.com/wp-content/uploads/2022/07/middle-lace-line2-576x1024.jpg)
![](https://nacrasailing.com/wp-content/uploads/2022/07/middle-lace-line2-576x1024.jpg)
4. Lead the end of the line back two grommets and tie off.