... )Mini Alarm Clock,Metal Twin Bell Clock,Plastic Twin Bell Clock,Mechanical Bell Alarm Clock,Plastic Alarm Clock,Inner Bell Alarm Clock,Metal Wall Clock and Wall Clock.Main ... sound. 7.Checking the tightness of spoon: The tightness should be moderate,if the spoon is loose,explain the torque of wheel ... hand don’t walk or walk slow.But if the spoon are too tight,it is inconvenient to use. Quality level ...