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This is a water bottle designed for the elderly, especially for those with hand tremors, Parkinson's disease , so that they can drink and pour water more comfortable and easily. The traditional water bottles’ spouts are set in the upper bottle mouth, but it makes the elderly have to bend the wrist. Especially when there is only a little water in the bottle , the angle of wrist bending will be very large and it will be tired for the elderly. However, the Tubular bottle’s spout is set at the bottom. What they should do is just lift the bottle and open the adjustable spout. There’s no need to bend the wrist.
East China University of Science and Technology