This process uses a rock tumbler, copper powder, and small ball bearings. The ball bearings hammer the copper into the part, cold welding it to the surface. [Robert’s] first attempt didn´t work ...

Read more about our Product Review Guidelines here. If you're looking for an affordable option, then this Oneida 10-Piece Hammered Copper Cookware Set ($360, originally $390) is your best bet.

For those drawn to the texture of hammered copper, the Ruffoni Historia Hammered Copper Cookware ... More Set—which features lid knobs shaped like acorns—is as beautiful as it gets.