Horse wrote:Jonquirk wrote: ... a likely occurrence when driving on the road.
Although could doing (and trying to cling onto control during) an unintentional off-road excursion create the situation?
I think in those circumstances you may have more to worry about than a wrench on the thumbs. It may also be possible that the firmer grip on the wheel may help to keep some control and minimise the accident.(The argument for doing it when racing.)