Reflecting on its past, it is unlikely that the snail will feel a strong urgency to change... The day is pleasant, the rail is nicely warm.
Making the system see itself would mean for the snail to visualize itself in this picture and shift awareness from the "nice feeling" provided by the metal to the understanding of the purpose of the infrastructure. The threat would then become apparent and the change more compelling. This would be an example of learning from the emerging future.