handle bell by yael zwickel from israel

the doorknob design is inspired by ancient hand door-bells
the sound produced by the doorknob resembles the unique sound of ancient door-bells. This sound was determined by the person opening the door (in contrast with electric door-bells nowadays and not as of today in electric door-bells).
the doorknob is manufactured during two essential processes:
1. aluminum Casting in a sand mould
2. glass blowing, while during the blowing process, the linkage to the central part is performed