Abstract: A clothes hanger that has two safety locks, one is at the hook head of the hanger that can prevent the hanger from falling down. Another one is added to the hook bottom of hanger that can prevent the clothes from being blown away. The lock at the hook head can be slipped up and down through the hook, but will not be slipped apart from the hanger. Another lock at the bottom of the hook, it has two wings connected, it can be lifted up and down and turned around, and the body of the wings is hollow with thin frame, so the sun can go through it.

Abstract: A toothbrush which head can be replaced, there is a screw hole at the head of the toothbrush, and the head of the handle is also screw-typed, when the screw-typed head of the handle put into the hole of the head and then screwed it, the head and the handle will be connected together and become a normal toothbrush. The head of the toothbrush can be screwed out and thrown away, the handle head of the toothbrush can be screwed into one new toothbrush head, the toothbrush can be used again as new one, this process can be repeated until the handle is damaged too. Therefore, the handle can be used for much longer time and we can reduce the waste and protect our environment.

Abstract: A toothbrush which head can be rotated to form different angle with the handle. This action of rotation can be done while brushing the teeth, once the handle leaves out the slot at the head, the handle can be moved to another slot, the angle of the head and the handle is changed from 180 degree to 90 degree and then from 90 to 180 degree again. The handle also can be free rotated without fixing to the slot at the head. A T-shape shaft is inserted between two covers at the head of the toothbrush, a connector is connected between the T-shape shaft and the handle of the toothbrush, so that the head and handle can be rotated freely.

Abstract: A toothbrush which head can be rotated to form different angle with the handle. This action of rotation can be done while brushing the teeth, once the handle leaves out the slot at the head, the handle can be moved to another slot, the angle of the head and the handle is changed from 180 degree to 90 degree and then from 90 to 180 degree again. The handle also can be free rotated without fixing to the slot at the head. A T-shape shaft is inserted between two covers at the head of the toothbrush, a connector is connected between the T-shape shaft and the handle of the toothbrush, so that the head and handle can be rotated freely. With this invention, the toothbrush is more suitable for right-hand and left-hand users who can brush the teeth in different directions and apply the force to the toothbrush correctly and easily.