Disgusting it is the way little shitheads are crammed in parent shithead, exactly as the same way cockroaches sticking in a hole and rats appearing underground. Just set a fire on it, enjoying the symphony where flour dissolves and paste bursts.
Good thing anon was carrying his trusty harpoon around.
It's apparently a standard-issue spike for yukkuri recycling boxes. Presumably, people are expected to kill the strays before dumping them in the box, perhaps to reduce noise reduction or the chance of them escaping and making a mess somehow.