Is there anything more annoying than an overly loud and inane mobile phone conversation?
Possibly. But probably not.
So why not prepare yourself for your next public transport trip with a set of Shhh! cards.
They're just one of the many fun (and useful) creations from Coudal & Co.
Best of all they're free.
Click here and go print off a pdf.
Trust me. They'll come in handy sooner than you think!