What literary device is Lee using in the following quotation? (below)“Some tinfoil was sticking in a knot hole just above my eye level, winking...

This is an example of personification. Personification is giving human qualities to non-human things. In this case, the tinfoil is "winking" at them in the sun. This gives the impression tinfoil has eyes and a personality, as well as the capability to interact with people. But it literally means tthat he sun is glinting off the reflective surface of the tinfoil and catching their eye.