It is unclear exactly why milk crates wind up in rivers. But there seems to be an unending supply of them to be picked up and carried home.
So here is what happened to one of them.
First, I cut the bottom out.
Then I cut three slots in one side all the way down to the ridge and three slots on the other side down to about two inches from the ridge.
Then I rounded up a several old rags to cover the rough edges of the slots.
End result – cheap gun cleaning stand.