As you can see in the picture above, he put a lego on the front of the cap and a lego on his camera strap. This way the lens cap easily snaps on to the strap when not attached to the lens for ...

Flickr user RawSniper1 does neither thanks to a brilliant lens cap holder hack using nothing but a couple of Lego pieces. A thin eight-stud piece permanently glued to the front of the lens cap ...