Anyone who has taken their camera out on a trip and leaned over a gaping precipice to get the perfect shot understands the annoyance of losing that precious lens cap. We've looked at various ways you can avoid this including re-purposing LEGO in the past. DIYer Benny Johansson has come up with a design that makes use of an old shampoo bottle.
All you'll need is a sturdy bottle, scissors or a knife, and a means of punching a hole. In a few minutes you can create a simple piece of equipment that keeps you valuable camera accessory safe and secure. Hit the link below for a number of templates (depending on the size of your camera strap), and check out Apartment Therapy's roundup of other lens cap holders for more ideas.