Tools and Materials:

0.47 mm stainless steel capillary (about 100 cm long).

A plastic cannula (which fits in the spray opening of the can with the coolant).

A needle holder.

A gas lighter.

A 1 cc Tuberculine syringe.

A knife.

24 G injection needle.

16 G injection needle.

Freon or other fluid coolant (e.g. aethylether).