The Parker 99R continues in the tradition of excellence with a solid brass frame, butterfly open mechanisim, and Parker's world famous smooth shaving head design.The Parker 99R is noted for being a heavy razor, which makes cutting through the toughest of beards easy... resulting in a smooth and comfortable shave. (amazon.com)
If I open the inside door handle, even if I do nt go all the way to open the door from the inside, just half way through, I can hear a click in the door near the locking mechanisim and then I can open it using the outer door handle. (mechanics.stackexchange.com)