Crafting tool cutting end off flap (5)
I believe the answer is:
lathe
'crafting tool' is the definition.
(tool used for crafting)
'cutting end off flap' is the wordplay.
'cutting end off' means to remove the last letter.
'flap' becomes 'lather' (being in a flap or in a lather means stressed).
'lather' with its final letter taken away is 'LATHE'.
(Other definitions for lathe that I've seen before include "Rotating machine tool" , "8 [TURNER]" , "Machine for cutting, drilling or polishing" , "Turner's tool" , "Wood-shaping machine" .)