I have a bell. It hangs from the right side of the handlebars. Sometimes that little ringing makes me wonder if I am hearing a problem with the bike LOL. It was on the bike when I bought it. It's kinda cool but I will rely on the Lord for my protection.
I have one on my bike and mostly because I sell them. We carry a ton of different ones. You can check out www.brunosbikeparts.com and if you want one and are a member, just type in free ship in the "coupon code" box.
I received one from a friend and installed it, even though I have no beliefs it that sort of thing.........doesn't hurt anything and made my friend feel good.
My wife gave me a Guardian bell just before the Rip's B.A.D. ride to Knuckleheads today. Five minutes before kickstands up I promptly but inadvertently spat on my boot! Then as I started my engine I got a check engine light and the throttle was stuck at 2k rpm. I did the 4 x on/off thing and then I got a steady check engine light and the bike had no throttle response! All this time my turn to pull out was coming up fast. Well after two frantic restarts It started to run normally! Dang!