Simply apply a bead of it before closing the lid, we have a video of this process (shown on a v1
kit):
https://www.youtube.com/watch?v=g7AIX0kE1Lw
The last step in your kit assembly is to attach the handles & grips. This process is very simple:
thread the nylon rope through the plastic barrel and through the hole on the kit handles.
Page: 27
V3.5 Manual - Revision 1.2