- Sensors find the weight and the position of your foot inside of the shoe
- Small pulleys tighten the shoe by winding string around a spool that is battery powered
- If the automatic size that is given to you is not good, you can manually tighten or loosen the shoe with plus and minus buttons.
The input for this device is the user's foot which determines how much the shoe tightens.
The output for this device is the laces that tighten depending on the size of the foot.