Was just sharing what works for me. Didn't mean to downplay the difficulty of dealing with overstimulation.
I get that it's not always easy (or even possible), but I also find that causing concern or distress in others only exacerbates the issue for me. Nothing helps my overstimulation less than having someone act like I'm having a medical emergency. So I do my best to mask and give as short and honest of an explanation as possible.
But I get that not everyone has the same response. If your overstimulation gets so bad that you can't manage to avoid causing concern in others, then you will obviously need your own solutions. And if you find one that works, feel free to share.