What does the word "clutch" mean?

Clutch crossword puzzle is an interesting new game that appeared in 1980s. Clutch character is a method of dictating Chinese characters and a traditional auxiliary method of learning Chinese characters. For example, when we introduce someone's surname "Zhang", we often add a sentence like "Ju" or "Li". On-off crossword puzzles are developed according to this feature. The rule of the jigsaw puzzle is that a "mother word" must be determined first, and this "mother word" must be divided into two or more "sub words", and then the sub words and the mother word are linked together to form a semantically clear word or phrase, which is linked with the jigsaw puzzle. There are generally three combinations: son and mother, mother and son, son and mother.

For example:

Shaolin holy land rises to the cloud (clutch word) and Songshan Mountain is high.

Ask Bailey for help (clutch word) and ask the king of the ball

/kloc-A crossbow weighing 0/000 pounds cannot penetrate solid rock.

There are some special:

Jokes and humor are harmonious.

Just what you want [parting words] is just right.