Hi Rapunzel,
straps like Amuro’s suggestion also work best for me.
When not riding I use the strap for holding the steering bars together.
If you (or maybe your mother?) are familiar with a sewing machine, you could produce such straps by yourself, using some velcro tape and reflective materials like these:
[url]Good wheel reflectors?]
(I’m still working on that, meanwhile I had to maintain my old “Singer”… 
)
btw…Thanks for your reports! 
For fashion questions I suggest to look here:
http://london-cycle-chic.blogspot.com/
B. r.