Hold tightly (4)
'hold tightly' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for cling that I've seen before include "Keep hold" , "Hold tightly, become attached" , "Hold on as for dear life" , "Grasp urgently" , "fast" .)
(Other definitions for clutch that I've seen before include "Handbag" , "Grasp firmly, like engaging car part" , "Take hold of, grab" , "Result of laying" , "Grasp; group of eggs" .)
(Other definitions for hang on that I've seen before include "Don't let go - wait a minute" , "Attend closely to - just a mo' (4,2)" , "Hold tight; wait" , "Wait a mo', or hold tightly in suspense" , "Don't let go - just a mo'" .)
'hold tightly' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for grip that I've seen before include "Grasp tightly" , "Catch" , "Fascinate" , "Member of film crew" , "Deeply affect" .)