Plastic bags litter both towns and countryside but there are also many uses for them. Click on the picture to enlarge it.
These bags are made by crocheting strips cut from supermarket bags.
Weaving techniques are used to make hats or floor mats from supermarket bags as with this idea from Footsteps.
Even the birds have learnt to make use of them as in this Hammercop nest!
Plastic bags of many types can be used in tree and plant nurseries, not just the commercial black plastic ones. These crisp packets make a very appropriate nursery:
Young boys have developed the art of making footballs out of plastic bags. This is how many of the African stars started and developed their football skills
Clothesline
Strips of plastic from plastic bags or packaging have proved to make very good washable mattresses
Strips of plastic bags can be wound in strong ropes for many domestic uses including tying up animals and making a washing line