You take a blowtorch

2 old butter, metal knives

Roll up a very, small, ball of herb, or hash, or a small, pin drop sized glob of oil

Heat up the tips of the 2 knives

When the tips are red hot, gently pick up the ball of hash/herb, then press it between the other knife.

Be ready though! Put the knives up to your mouth before you press as it will smoke. If you are concerned about burning your lip, which I have done plenty of times, , then use an empty pen, or cut off the lower half of a small pop bottle, and when you press the knives together, put them just inside the upper half of the bottle, and inhale.

There, that is blades, or hot knives. Now do it!