A coupling of bicycles

Sir, – Twice in half an hour Frank McNally (An Irishman’s Diary, February 3rd) found his bicycle coupling with another bike – …

Sir, – Twice in half an hour Frank McNally (An Irishman's Diary, February 3rd) found his bicycle coupling with another bike – and he blamed the absent cyclists! Has he forgotten The Third Policeman?Flann O'Brien, his columnar predecessor, explained the mechanism of atomic exchange between owner and bicycle.

I calculate that Frank McNally’s bicycle is now 71 per cent diarist, and should be warned about its future conduct. – Yours, etc,

Dr JOHN DOHERTY,

Cnoc an Stollaire,

Gaoth Dobhair, Co Donegal.