Tibetan Yak Beef raised in the high mountains by Tibetans and ate only grasses, quarter on mountain medicine. Tibetans also believe Yak Cows also eat cordyceps. they stick with people as friends, from travel, transportation etc ... So when they are old and dies, Tibetans want to retain their attachment to the bone means they make rosaries for practice. Due to frequent grazing Yak should be very pure sand wall. Yak bone chain taking positive while the religious practitioner is often much negative. White buffalo bones chain helps to balance yin and yang in the body to not get sick from sound welding.

Dalai Lama 14 Tibet once described them as: Very long ago I was seen large herds of wild cattle Tibet with their own eyes. Seeing these beautiful beasts and powerful species since time immemorial have their nest on high and barren plateau of Tibet never cease to fascinate me. Somehow timid creatures still clung to the grass roots stunted everything that is natural to give them. And what a wonderful sight it is to see a large herd of them head down theaters and wild gallop on the steppe. Earth shook under our heels and large dust clouds marked their presence.