Won't Miss #333 - necessities that are not available

Disposable heating patches on sale in a plethora of sizes.
This was a hard post to title, but it comes about because of my increasing decrepitude as my age advances and the fact that there are some things which are easy to get back home which are damn near impossible to locate in Japan. For reasons I do not understand, getting a hot water bottle or heating pad is difficult here. A sort of heating