This pack of 10 scalpels is intended for use towards the kechari mudra.
Be sure to take the necessary precautions. Please consider carefully before undertaking this practice.
Turmeric is a traditionally used antiseptic, and can be placed under the tongue at the location of each snip.
If you re-use a blade multiple times, be sure to sterilise it through a medical grade antiseptic or boiling water.
Best of luck, spiritual seeker! May you find the root of your existence.