Kevin, I've used the 2 1/2 gallon DEF jugs to hold both my awning and also the awning screen down. I fill them with water and use bungie cords with hooks on both ends and hook around where the awning roller connects to the arms and where the screen has grommets for tiedowns on it. Works great for us and if the wind comes up the bungie cords stretch just enough to hold the awning down till I can disconnect them and bring the awning in.
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