Metal clay was created in 1990.
It is safe, the only issue I have is that the metal is going to expand and the clay will shrink. This may cause cracks in the clay.
Minnesota Clay was created in 1965.
Clay Paky was created in 1976.
Clay Davis was created in 2002.
Human Clay was created in 1998.
Ingrailed Clay was created in 1775.
Clay Records was created in 1980.
Clay's Hope was created in 1783.
Clay Telecom was created in 2000.
Clay Quartermain was created in 1967.
Joshua Clay was created in 1977.
Jimmi Clay was created in 2005.