If you have De Quervain's tendinosis, this test is quite painful, causing tendon pain on the thumb side of the wrist. Finkelstein test. The arrow indicates the location of pain when the test is positive.
It is advised to refill outside or in a space that is easy to clean. This may be necessary when you wish to wash the cushion/pillow cover. Meditation Cushions filled with Kapok are lighter in weight than those filled with Buckwheat Hulls. But, as mentioned above, removing the Kapok fill for washing the cushion cover can be a little more work.
What is kapok? How do I choose between a buckwheat-filled zafu and a kapok zafu? Kapok is a soft natural fiber from the Kapok tree which is found in Thailand and Indonesia. Naturally silky and resilient, it is the traditional stuffing for sitting cushions. ~ Those who meditate in the seiza, or kneeling position, may prefer a kapok cushion because it can be turned on its side to provide additional height.