OKay I admit I am a clutz and I always trip over my lines at night I found something for all of us that can replace the tie downs for tarps It's called Trip Tease lightline by Kelty it's an orange nylon cord and has reflective strips in it. Cost 15.00 at REI for 50 feet total weight for the 50 feet 1oz. I used it last night for the first time and Yahoo I saw the line when I went for my midnight jaunt to the privy.