London was denial based non-participation. Boring course with a load of complaining about waste of tax payers money
That was my experience. Loads of geriatric old buggers moaning about being caught but who apprently knew everything already. Barely said two words all session.
It didn't help that the presenter was as charismatic as lard.
I learnt to pay more attention to my speedo on a Sunday afternoon bimble, and that what I thought was 30/32, could actually be 36.