Thought I was a bit old in my taste until I heard this: http://www.youtube.com/watch?v=_u7RFVzkAp0 Newish - but old type stuff...........you find something new every day
Roadside repair - Temporary repair, simple unless it is carried out in accordance with the British Standard British Standard 0ne 3mm combination plug patch in performance bike tyres - the RAC should know that and they have cost you an early replacement. 6mm is max for car tyres BSaU159 is the standard - the tyre manufacturer is not relevant.
Raising a thread from the dead...................The Shoei Race tec who inspected mine after a drop from the handlebars to the floor said you would need to hit them with a big hammer to damage the inner shell, so a little drop only really damages the finish - and your nice shiny helmet