A very practical question.
ds (17yo) is doing a lot of running, even more so since the lockdown. He is now doing what I would call a long run (about 15~17km) on a regular basis
Any idea on how he could take 'something' with him to contact us in case of emergency (eg he twists his ankle and can't walk back home).
A phone has been a no-no from him (where could I keep that?). Money seems a bit pointless (where could you find a public phone to ring home or a taxi).
Any other idea??