I don't recall if I have them on all my window curtains, but I do know that I have them on my front bedroom window to keep the curtain ends from hanging over the bed pillows.
Give Jayco a call, or check a similar model TT at the dealer.
2016 GM 2500HD 6.0L/4.10
2018 Jay Flight 24RBS
2005 Jayco Eagle 278FBS (retired)
1999 Jayco Eagle 246FB (retired)
Reese HP Dual Cam (integrated sway control)