One of the product idea I had, but no skills or real desire to implement it was - a key chain which holds 1-3 cloth bags. Biggest behavioral change people have

One of the product idea I had, but no skills or real desire to implement it was - a key chain which holds 1-3 cloth bags. Biggest behavioral change people have to do when moving to reusable bags is - remembering to carry. Most people carry their keys. You can use build a key chain which stores 1-3 bags for such times.