foosball ball [gooped to ring-shaped rare-earth magnet] -> stand/handle
electrical tape [adhered to disc-shaped rare-earth magnet]
Temporary: USB-C to USB-A Adapter [integrated with USB-C cable] -> library/airplane/Communauto
Carried separately: IFEART USB C Charger Block [iPhone + MacBook]
Prototype 7 (Stand, Wearable, Pluggable)
ESR Wireless Charger with MagSafe
USB-C cable (1.5 m) [integrated with charger, adjustable by cord lock, magnetically attachable to ferromagnetic steel plate by ring-shaped rare-earth magnet with elastic band, worn around neck & shoulder] -> lanyard/necklace
ping-pong ball [gooped to ring-shaped rare-earth magnet] -> stand/handle
electrical tape [adhered to disc-shaped rare-earth magnet]
Temporary: USB-C to USB-A Adapter [integrated with USB-C cable] -> library/airplane/Communauto
Carried separately: Anker 521 Power Bank (PowerCore Fusion) [iPhone + MacBook]
Potential Discovery or Invention
After a couple of years, the ping-pong ball was destroyed when it was dropped to the floor. It is still the lightest-weight option.
Potential Discovery or Invention
Here is the FlipZip Magnetic Quick-release Phone Mount System, which does not have features like MagSafe charger, USB-C cable, adjustable-length lanyard, switchable-orientation stand or variable-viewing angle.