Easing the Slot

The inside edges of the slot are cut to an angle to make it easier for the key to find its pin. When servicing a harpsichord, a key must sometimes be removed. When it’s time to re-install it, the service person will not be able to see the rear pin. Angling the end of the slot makes it easier for the key to find its pin. The key on the left in this photo shows the angle at the end of the slot. The actual angle is not important. I use a dreml tool with a sandpaper band install into it to make these angles. I’m sure there are other ways.