Spur's jagged wheel (5)
I believe the answer is:
rowel
(Other definitions for rowel that I've seen before include "Spiked wheel on spur" , "Part of a spur" , "Spur's spiked wheel" , "sort of wheel" , "Lower into a spur disc" .)
I believe the answer is:
rowel
(Other definitions for rowel that I've seen before include "Spiked wheel on spur" , "Part of a spur" , "Spur's spiked wheel" , "sort of wheel" , "Lower into a spur disc" .)