By the gravity indution of the iphone,you can make a delicious steak through roasted over the steak with materials. When you roast over it excessively,the steak will be flying out from your screen.When your strength is too weak, the steak will not turn back, and it may lost out from the screen,If you do not roast it over, it will be scorched to the black color. If you cook the steak proficiently and carefully, you can roast a juicy steak.