listerine pump for one handed person and elderly [SEP] i usually buy a different mouthwash scope but cannot find a pump designed for it i have to buy listerine liter since my daughter was injured broke her metacarpal bone from dodgeball i have to find a way that will make it easy for her to pour mouthwash in a cup especially if someones arm hand is in a cast this is helpful also for elderly especially those with arthritis