Well, they seem to work fine behind Dahons, specifically the Speed TR (see Ray Dimock's comments):
http://www.burley.com/page_10116/super-users +
http://reviews.mec.ca/9421-en_ca/502...ws/reviews.htm (see his pic and comment there, too).
And in winter, you can park the bike and pull the Travoy down the sidewalk if need be:
http://www.calgaryherald.com/news/fr...430/story.html +
http://www.carlesscolumbus.com/2013/...fect-bike.html .
I'm not sure about the Chick Magnet thing, but everyone seems to rate them as (curious) people magnets.