In a fit of enthusiasm I bought a vintage front door knocker off Ebay.
The problem is that the knocker part is very free moving and every time the door is opened or closed the knocker - - well it knocks!
First thoughts was a bit of non-corrosive spring (phosphor bronze / beryllium copper?) but I'm not seeing anything suitable on Ebay (can't think of any where else for small quantities). A new thought is some sort of damping foam pad. Basically I'm looking for something to absorb the swing movement but allow the 'man' operated knock.
Ideas? Rob