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15d. 9lets. Theitem; a double poor source of iron. H-e-a-i-e.
16d. 8lets. Description of superwaif wearing shoe in wardrobe. -l-t-i--.
22d. 5lets. Line cutting margin. inch. s-d--.
26a. 6lets. Good total viewing dirty channel.
--t---.

15. Haematite

22. sidle

Thanks Kiwikid.

Other two are Clothing ('clog', with 'thin'inside) and Gutter (g/good and utter/total).

The other two are

CLOTHING (= Wardrobe) from THIN inside CLOG

and GUTTER (G with UTTER)

Thanks Malone.