Seen that before n this forum, only I didn't think it was heart shaped or even arse shaped, more like round hairy spherical things on fire!
Specialy when 'honking' on the pedals ,they can't be serious selling them as rear lights.
Yes they are, I think I saw them first in a Dutch add.
It's not as if there any good as lights either, just a slight red glow.
They certainly won't stand out as lights.
if anyone dose buy them it will most likely be as a novelty gift me thinks, perfect secret Santa for that guy in the office who's a "real" cyclists, carbon fibre, Lycra and all that, deep down just a bit of a knob really