More,Less / Cruet

Cruet is the essential utensil for people on the table, which is used to make food be more delicious. but in today's society, people stressed a healthy diet, and research shows that daily consumption of salt for adult should be less than 6 grams (about 1 teaspoon), based on this premise, we designed this seasoning bottles, taking advantage of "+ -" symbol with which people is so familiar to remind people of the required dosage and health diet visually.