I fixed this by simply carrying nail clippers around on my keys, and remembering to use them instead of ripping them apart with my teeth. A few weeks of that and they were in good enough shape that I didn’t feel the need to bite them.
I fixed this by simply carrying nail clippers around on my keys, and remembering to use them instead of ripping them apart with my teeth. A few weeks of that and they were in good enough shape that I didn’t feel the need to bite them.