### Tools

- Extruder ([tutorial video](https://www.youtube.com/watch?v=BTiQqPFE9vs))
- Scissors/cutting tool
- Stapler or adhesive
- Hole punch/drill
- Measuring tape/ruler

### Materials

- Transparent sheet (e.g., PET plastic or old folder)
- Fishing line/string
- Plastic strips (55 cm, 40 cm, 28 cm)
- Bag strap/old belt (extruder alternative)
- Elastic band (30 cm) & foam strip (optional)