1. Place a bead on the tip of the pin

2. Warm up pin for 10-15 seconds at a distance of approximately one centimeter from the burner flame. Move pin occasionally.

3. Slowly move the pin into the flame and heat up, until the bead starts to glow bright red. Rotate pin constantly.

4. Continue to heat another 5-10 seconds. Rotate pin constantly.

5. Leave to cool natural way



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