Had one when I was a kid, but it's second nature to be looking over your shoulder when you ride regularly, only people I see with 'em are on big touring bikes occasionally. Might be OK for you with impaired hearing, who may not hear loud exhaust etc close behind.
Had one when I was a kid, but it's second nature to be looking over your shoulder when you ride regularly, only people I see with 'em are on big touring bikes occasionally. Might be OK for you with impaired hearing, who may not hear loud exhaust etc close behind.