https://www.e-shop.gr/pegasus-lastixo-endynamosis-me-labes-light-p-PER.208604
Could make something like the above using the green rubber rope. The original is 6.00 €.
https://en.wikipedia.org/wiki/Hyperacusis
https://en.wikipedia.org/wiki/Lumbar_puncture
https://en.wikipedia.org/wiki/Misophonia
https://en.wikipedia.org/wiki/Perineal_massage
https://en.wikipedia.org/wiki/Tensor_tympani_muscle
https://en.wikipedia.org/wiki/Valsalva_maneuver