Hello, Elle!
Yes, I deduced "nor" from North, but nowhere I looked could I find "joiner".
I have no idea what a conjunction is, but if you think it OK, that'll do for me!
I am not good at "hints".
But, at 17a, do what I did and consult Anne B's "plants".
"Draws" often take place at social occasions, in which you buy a ticket to paricipate.
11, the first word is a part of your anatomy, the setter is using "gas" to indicate it. Gas, as in talking.
22, is very simple.
An old fashioned word for "see/look", then an unusual word for "cracks", giving the answer which is "happenings" that took place in the Sixties, mainly in Californian hippiedom!
See how you go with them!