Quote Originally Posted by jacksond View Post
Be careful of any strap with those steel rings. I once wore halfway through one of the lugs on a Leica M4 using a neck strap with a ring that had squared off edges, if that makes sense.
see post #10
the chrome over brass is ok until the chrome wears through then the brass just disappears. any steel ring will do this 'magic' act as brass is very soft
you can get 3rd party CRES lugs for Ms
pro cameras have pressed in steel inserts e.g. Nikon F2