What does the cryptic crossword clue "Possibly rickety, unstable thing to comfort a child (8,7)" mean?

The wordplay uses an anagram. anagram of RICKETY, + UNSTABLE = SECURITYBLANKET The answer is SECURITYBLANKET.

Possibly rickety, unstable thing to comfort a child (8,7)

Daily Mail Cryptic #17349 | 1 Down | 2024-05-02 flower