Are we all at our wits end or just me?
22 Screwdrivers, less effective in a way if held upside down (8).?W???E?S
30 It's said to stop people entering. (8)
??E?M?N?
Thanks Mamya (and Elle)
Did not know tweakers. Found averment but failed to make sense of it for clue. Perhaps I will reach your standard one day...but probably not!