A rather unlucky start to the day...

I used to run my finger around the inside of the tyre - a man's thumb fits perfectly into a 23mm. Then someone told me an horrific story about a used needle embedded in a tyre. Complete tosh, I imagine, but now I can't do it until I've eyeballed the whole thing. Waste of time.

I lol'ed

I never get punctures on 700c tyres, but on other bikes stuff like rusty staples & glass has been common. Always look!