A picking-up point (4)
'point' is the definition.
(I've seen this before)
I cannot understand how the rest of the clue works.
Can you help me to learn more?
(Other definitions for prong that I've seen before include "Tooth" , "one gets stuck into dinner" , "Spike of fork etc" , "Pointed end of fork" , "Point of a fork" .)
But I've got no explanation for this one! Could you help me understand?
(Other definitions for tine that I've seen before include "Slender prong of fork" , "Spike" , "(Fork's) prong" .)