I almost always always do, Ian....I know I won't be as successful as a treestand hunter but there's nothing quite like being at eye level with a deer at 12 yards. If after I've scouted an area and I like a spot that's a little sparse in terms of nautal blinds, I will carry a piece of leafy camo netting in my pack.
I find it really effective when I can stick some branches down through the leafy holes and into the ground in fron of me. Especially wha I have a nice wide tree to lean against. Of course, the real key is being able to sit still. I've taken deer on the ground while I had no blind but was sitting rock solid still with a wide tree to my back.