This tub is called an Avagaha Sitz bath 🛀
The sitz bath is filled with a herbal decoction (kwatham) 🌿🌿🌿after having received an Abhyanga oil massage.
This is extremely beneficial in
1. Lumbar sacral pain and degenerative conditions
2. Neurological problems of the lower limbs
3. Gynaecological ailments