Abstract: The present invention relates to a toothbrush including a flexible extension which is attached to the outside of a brush head for perfectly cleaning the back teeth and minimizing scratches on the periodontal tissue surface and oral cavity.

Abstract: A golf putter comprising a putting shaft, a putting head having a front face and a rear face, an aperture extending through the putting head from the front face to the rear face thereof, a supporting plate containing a mirror mounted to the rear face of the putting head and extending at an angle from the rear face, the mirror being mounted to coincide with the aperture disposed in the putting head, whereby the golfer, from a putting position can view both the ball and the hole by looking at the surface of the mirror.

Abstract: An improved screw driver includes a spindle member disposed within a hollow screw driver body, a locking member operatively associated with one end portion of the spindle member, a coiled spring at the other end of the spindle member, a movable shank having a screw holding member and operatively associated with the spindle member, and a clip lever for locking and releasing the locking member, whereby when the clip lever is actuated to release the locking member, a screw to be applied and held by the screw holding member is forced to initially drive the screw into a portion of an object.