After reading their post on hot water bottles a while back I went out and got some, and I’m glad I did! They actually are very comfy in the winter. This is something I’d somehow never really encountered and it’s super simple.
Just make sure to read the warning labels and take them seriously please. I believe the use of boiling water frequently causes them to rupture, inflicting burns on their users.
Yeah, there’s no need to use boiling water. Hot water from the tap is plenty warm.