thread Maybe instead
Consider a Sociable
permalink That looks hilariously unstable.
......
permalink "All the disadvantages of
the tandem with none of its advantages"

Made of win I'd say.
permalink I#d love to have a go
the only time I've seen one in real life it was being ridden by a pair of teenage girls on Riverside.

because Cambridge

permalink I occasionally used to see
a couple of conference bikes in use around the office