In this step, you will need to find a small container and a dowel with a diameter smaller than the mouth of the container. It is important that:
The container be made of glass so that it's resistant to corrosive liquid -AND- has good thermal conductivity.
The dowel is made of hardwood since lots of tension will be present with the nichrome wire.
After, saw a piece off the dowel which will fit nicely into the container.