Dimensions:
Length: 10.2cm
Width: 5.5cm
Thickness: 0.7cm

Rectangular Gua Sha in Bian Shi stone, Heart-shaped, 10.2cm in size for treating the back, buttocks, neck, arms, legs, face.

Here are some of the virtues attributed to Bian Shi in the context of Gua Sha:
Stimulation of blood circulation.
Elimination of toxins
Relief of muscle tension
Improvement of skin well-being
Harmonization of bodily energy

Gua Sha is an ancient technique very common in TCM, which involves scraping the skin with the massage tool called Gua Sha, to improve the circulation of Qi of Blood and Organic Liquids.
The scraping also allows in case of attack by Biao, wind/cold or wind/heat, to make the perverse rise to the surface.
Soft tissue microcirculation is stimulated with varied pressure movements, increasing blood flow.

The practitioner can apply massage oil to the skin to facilitate ""scrapping"".

Indications:
Gua Sha allows to circulate stagnant energy (Qi stagnation), inflammation, Cold and pain caused by osteoarthritis.

Gua Sha is generally practiced on the back, buttocks, neck, arms, and legs. A soft version of this can even be used on the face as a ""lifting"" technique to prevent wrinkles and fine lines.