I'm interested, have posted Qs in the past, because a close friend has just about hit zero eyesight over the last 2yrs & retired early. He & his wife bought a tandem, but neither of them has 'tandem experience' (she does ride regularly). She has understandable trepidation about getting out there and has been looking for advice. I've passed on some websites & the like, but I'm "all ears" on how people get started and acquire skills for this - in both seats. One idea I haven't launched yet is for me to jump in the front seat and let the (sighted) wife sit stoker w/ a blindfold. Is this a good or a bad idea?