Use for larger cans fill with concrete can use as bricks. They are also used in civil war re enactments instead of cannon balls.
The standard with gravel and on wire fence as alarm, flattened ones can be used to make a metal detector nightmare.
Glass you can reheat and blow again so long as clean. But whole bottles can be used as a light wall with great r value in warmer climates fill with water and a drop of bleach
The lid can be used in fishing lure the spinner part.
Can can be part of perimeter defense to keep stuff out of the rain. They can be used as snares as deep cans allow things in but not to get out..can of tennis balls