Neck tension air cushion (E1W Limehouse/Shadwell)

In good condition. No longer needed as resolved neck pain cause. It was helpful when tight neck muscles were impinging nerves
Cushion relieves tension in tight neck muscles.
I don’t have original instructions but it’s simple to use and you can see original website here
https://www.stressnomore.co.uk/neck-tension-air-cushion-12330.html