Handmade by Bamboo pillow in For eliminating smartphone neck and straight craftsmen! [Made Japan] neck.

``Bamboo Pillow'' is a domestic neck pillow for people who suffer from straight neck, smartphone neck, and crane neck, which are the causes of stiff shoulders and neck tension. Since it is a hard pillow, you won't sink under the weight of your head, and the bamboo curve fits your cervical vertebrae to firmly stretch your neck. Size: Approx. W30-32 x H6-8 x D14-16cm, Weight: Approx. 700g Material: Moso bamboo from Kyushu [Made in Japan] Paint: Urethane matte paint finish Sizes listed are approximate numbers. Since it is made from natural materials, there may be slight variations in size depending on the product. ~For those who are worried about smartphone neck/straight neck~ Straight necks are one of the causes of stiff shoulders, stiff necks, and headaches. If you use your computer or smartphone too much, you tend to lean forward. 10 minutes a day for those who have such troubles! The neck fits the semicircular curve unique to bamboo! The curve of bamboo is very similar to the natural curve of the human cervical vertebrae, making it the perfect neck pillow to stretch your neck while relaxing. [How to use bamboo pillow] How to use a bamboo pillow: When lying down, place the pillow so that the 4th cervical vertebrae is in the center of the pillow. A good guideline is to place your eyes and ears on a vertical line. Bamboo pillows are said to be effective even if you don't put them on your neck all night. Please try it for 10 to 15 minutes a day. *You may feel some pain at first, but please get used to it little by little by placing a towel on it.