Tuff Gong is a record label that was formed by the reggae group The Wailers in 1970 and named after Bob Marley's nickname. - From Wikipedia
Marley earned the title Tuff Gong for his fierceness as a streetfighter. 'Gong' was also the nickname of the early Rastafarian leader Leonard Howell. The
nickname's significance was further reinforced by the fact that in some Rasta settlements it is customary for a convert to strike a gong hanging at the entranceway to announce his first step into the fold. - From "
Catch a Fire"