You can obstruct the lower contact (such that the metal is not exposed) by painting it, or covering it with a sticker. You can switch to the long press slot.

You can obstruct the lower contact (such that the metal is not exposed) by painting it, or covering it with a sticker. You can switch to the long press slot. You can remove the carriage return at the end of the sequence (so it doesn't hit ENTER for you). It's a bit silly that the default implementation is so non-user-friendly.