On Tue, 3 Jul 2007, Tony Duell wrote:
Actually, I've found pressing on the upper part of
the door to be much
kinder to the pins than pulling the door open from the bottom edge (think
about what the applied force reacts against). The trick, of course, is
not to let the clamp arm slam open, but to guide the door open gently and
let the arm rise slowly
a gentle press works fine. What I was seeing was a group of students who
would do it with a sudden jab, letting it slam open