John Winchester with a pager
John Winchester with a pager that goes off every. time. he’s in. a fight.
John Winchester panicking and rushing to finish the fight so he can get to a phone and call the boys.
John Winchester being relieved when he finds out Sam paged him because Dean wouldn’t let him change the channel or some other stupid thing little boys fight about.
John Winchester with a pager, setting up a time for Dean to beep him so when he’s scoping a place out dressed as a fed, he can subtly ask to use their phone to buy more time there and get deeper in the house/business.
John Winchester with a pager who writes the number down on ten different pieces of paper and leaves them in different spots in the motel room because of that time he called them after not hearing from them all day and Dean was crying because he couldn’t remember the number and wanted to tell his dad about the good grade he’d gotten on his test in school.
John Winchester with a pager that he keeps as close to him as his gun when he’s not with his boys.