Carabiner with magnetic action. This design eliminates flexing plastic parts while allowing strong and secure clipping action. The part may be printed with stronger and stiffer plastic. This allows for a stronger part while eliminating plastic fatigue caused by flexing plastic.
You will need three 4mm by 5 mm magnets.
Easy to hook keys or backpack with smooth magnetic-driven clip.
WARNING: Do not use it for climbing!
4x5mm magnet at Amazon: https://a.co/d/e1VZNNB
4x5mm magnets at AliExpress: https://www.aliexpress.us/item/3256801394641979.html
The author marked this model as their own original creation.