I always put my keys in the refrigerator. They sit on or in my lunchbag, so I do not forget to bring my lunch and have to pay $7 at the cafeteria. The cold has not harmed to microchip inside (been doing this for 4 years).
I always put my keys in the refrigerator. They sit on or in my lunchbag, so I do not forget to bring my lunch and have to pay $7 at the cafeteria. The cold has not harmed to microchip inside (been doing this for 4 years).