What does the cryptic crossword clue "Pleasant heading off to choose climbing tool (3,4)" mean?

The wordplay uses a charade (building blocks). ICE (synonym="pleasant") + PICK (synonym="choose") = ICE PICK The answer is ICE PICK.

Pleasant heading off to choose climbing tool (3,4)

Times Cryptic #28856 | 25 Across | 2024-03-05 flower