8. Do not choose knob over the frame

will have a knob on the lid or a door knob that is mounted to the frame of not more than 3-feet to the door frame, the majority do. (Excluding Lokฟak) is estimated only 3 "...... but there is some kind of knob. (Often a special knob. And from abroad) with a frame or a knob for more than 3 "...... it will make it to the knob. Or I will not go ahead.