Sonnet's 6-Pin to 9-Pin FireWire Adapter offers a male FireWire 800 port at one end and a female FireWire 400 socket at the other. Unsurprisingly, it's designed to let you connect FireWire 400 ...

To circumvent this problem, Apple simultaneously released a new $9 dongle that has female connectors for both Lightning and USB-C, and lets you use the original Pencil with the new iPad.