I am sure that from the side of onlookers the event was a further confirmation that mastering English can damage one's mind . In any case, I persist in using plastic levers as sensing that they might break signals to me that I am on a wrong path and must retreat. My latest home exercise included putting a studded tire onto Brompton with fingers only. On the road I am lazy and carry a lightweight bead jack. My carrying of any tool tends to have some history behind