In angling, one of them may need a rest (4)
I believe the answer is:
rods
If this is the answer I cannot explain how the clue works.
Can you help me to learn more?
(Other definitions for rods that I've seen before include "Batons" , "Hot ones are modified cars" , "Long slender bars" , "Thin sticks or staffs of office" , "Straight, thin sticks" .)