Afaic if you use it more than once every few hours, you’re better off just using a different knuckle for each button, taking care not to brush them against pockets or the like. When you run out of knuckles, wash or disinfect.
Afaic if you use it more than once every few hours, you’re better off just using a different knuckle for each button, taking care not to brush them against pockets or the like. When you run out of knuckles, wash or disinfect.