Kan-zake

Kan-zake means hot sake. The temperature is up to you. I like 40 to 45˚C, but in winter sometimes I prefer really hot one as 50 to 60˚C.

Tin Sake Warmer

from left to right container-A, B and C

Sakenet has a good tool for Kan-zake, "Tin Sake Warmer". You can make your kan-zake easily with this tool.
(1) make boiling water with a kettle or a pot.
(2) put container-B into container-A.
(3) pour the hot water into A/B.
(4) pour sake into C.
(5) lower container-C into A/B.
(6) wait a minute or until the sake is heated up to the temperature you like.
(7) pour the heated sake into an o-choko (sake cup) and enjoy!

If you don't have a "Tin Sake Warmer"...
(1) make boiling water with a pot.
(2) pour sake into a tokkuri bottle.(3) put the tokkuri into the pot.
(4) wait a minute or until the sake is heated up to the temperature you like.
(5) pour the heated sake into an o-choko (sake cup) and enjoy!

If you don't have a tokkuri...
You can use a glass or a small bottle instead of a tokkuri.

tokkuri

If you don't have an o-choko...
You can use a small glass or a small cup (like an espresso cup) instead of an o-choko.

o-choko
(image from http://usagiotoko.sblo.jp)

So you don't need any special crockery in the end! However plates and cups are part of Japanese food culture, and we believe it makes it taste better.