I am not afraid to design a key ring when I go home late at night

For the user to consider the following points as the starting point:
1. Put the bag and grab it very well.
2. You can hang on your hand when you walk the night road, and take it as a weapon in case of an emergency.
3. Going home and hanging on the door is easy to find it.

I started to work on the mini harmonica, mainly because I liked his small and cute shape. It is a kind of object that can interact with people. If you wear it on your body, you can play simple music (4 holes). 8 tone)
Limited large size ring

Element: Mini Harmonica. American Veterans. Copper Products. American Old Keys

Maintenance method: Most of the material of this product is copper. Please keep it in a dry place, avoid taking it in a damp place to avoid chemical changes.
It can usually be wiped with a dry cloth.

Customizable (photos are shown in the photo)
License plate and small key can choose to see the picture
Harmonica can be changed color, or add accessories
Pin size: 10.8x7.3x2.3x1
Please write to confirm the details first.
Thank you Thanks
Origin / manufacturing methods
United States Taiwan