All are types of hat or head coverings.
3 Floats on water for HM (6)
5 Unfed orang-utan (6)
11 Today Reg invaded London BY Yacht (6)
12 CL throws darts from here (6)
21 Mr Hoddle & Mr Bushell (9)
23 Negative answer inside clump of soil (5)
26 A follows gent & money machine (8)
I would greatly appreciate any help on these.