Jog about with bodyguard (8)

I haven't cracked this one yet — but the brilliant team at Fifteensquared have:

RE (about) + MINDER (bodyguard). The definition seems grammatically a little off to me – the connection between jogging one’s memory and getting a reminder is clear enough, but can a jog be a reminder? Chambers doesn’t quite give a definitive answer but maybe someone can supply a plausible case where the two are interchangeable