Quote Originally Posted by spaceweaseal View Post
I have used sacks as anchors.
Go to the post office and pick up a couple of the Tyvek envelopes, fill with sand and tie off to them. TheY are reusable, tough, and free. I even use them as stuff sacks in my pack.

i have had a Kelty Sunshade and currently have an REI Alcove and i can tell you that in a wind they both become sails! i have cheap camping stuffsacks that i got from Wally World and i just fill 'em with sand and attach them with guy lines. so far, so good...