Dough hook from a later model machine that looks the same is stick in

I had a more recent kenwood chef the attachments looked to have the same fitting. I fitted the dough hook but now can’t get it out.

crwdns2893858:0crwdne2893858:0 crwdns2893862:0crwdne2893862:0

crwdns2894050:0crwdne2894050:0

crwdns2889612:0crwdne2889612:0 0

crwdns2893872:0crwdne2893872:0:

This is a really tough one. Please post pictures of both types of shafts so we can get some idea of how each locks into place.

crwdns2893770:0crwdnd2893770:0crwdne2893770:0

crwdns2892346:0crwdne2892346:0