ok so me and the girlfreind were out on the town thuresday, movie, dinner, the whole shabang. my 78 honda cx500 squired us about town, and it was a really successful night

any way, the next morning i get up and am about to go for a drive and there it is, my flaless right tale pipe is covered in black nike rubber, i about "poo poo" my pants. turns out she wasent using the foot peg she was using my pipe. well any way i scrubbed at it for a good bit of time and nothing happend, i really dont want to scrach the crome. how do i get it off!!
im open to suggestions help me!