I haven't used them yet, at halloween time I bought some blinky lights that you put on you kids so they don't get run over they have little clips you can hang them where ever. (I'm a cheap redneck) Figured they would work.
I usually put a reflector on my horses tail and wear one of those reflector coats. I also put reflection stickers on the back of my saddle and on the sides. I am the kid you see trotting down the road with a bright yellow vest on.
Yes. I have a breastplate and a hat band but next I am planning to get a 'H' band vest. Also quite like the leg bands for horses...
You'd be stupid not to invest in it in the UK, since riding out anywhere almost always involves going on the roads. I can see the justification of not wearing it if you 1) never go anywhere near roads and 2) never ride out in dim light or bad weather but I can't avoid either of these. Besides that, there's been a terrible increase lately in the number of accidents resulting from horses being spooked by low flying helicopters, and they can come up on you even if you never touch any tarmac. I won't get into how irresponsible some pilots can be, but the RAF keep drilling it into us that reflectives will help them stay away (IMHO, they needn't being flying that low anyway, but whatevs).
There are some ladies at the stable next door to us who go out literally COVERED in it from the top if their heads to their horse's hooves (every bit of v-bandz produce there is!) which I DO think is ridiculous though.