Not or sure if you've broken the feed button or not, but...
There is a hexagonal body on the shaft end of the head. Hold it and spin the head with your hand.
Took me about 30 seconds..... Good luck to those looking for real answers.
That's ludicrous! See above!
You nor mile should never be allowed to work on anything.....
That's weird, the giant hexagonal but looking thing on the top of the head.... The one that screams hold me with a wrench and twist.... Seemed to work just fine and I've never had a problem with customer service.