The provided reference focuses on removing chewing gum from clothing, not softening it for chewing. Therefore, I will provide methods for softening chewing gum for consumption, as that seems to be the implied intent of the question.
While there's no guaranteed method to completely reverse the hardening of old chewing gum that's been sitting out, here are some techniques that might help slightly soften it:
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Warm it Up: The easiest method is to warm the gum slightly. Place it in your mouth and let your body heat gently warm it. This may take a few minutes. Avoid microwaving it, as this could melt the gum.
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Add Moisture: If the gum is very dry, a tiny drop of water on it might help. Be careful not to add too much, or it will become sticky.
Important Note: Hardened chewing gum that's been exposed to air and the environment can harbor bacteria and may not be safe to consume. Consider discarding it and using a fresh piece for the best and safest experience.
