Clutches are a versatile and important component of various mechanical systems. In terms of synonyms, the word "clamps" can be used to refer to a type of clutch that holds components tightly in place. "Grabs" also works, suggesting a faster and more aggressive mechanical action. "Grips" implies a tighter hold, as in a clutch that resists slippage. Finally, "catches" can be used to describe a more passive type of clutch, such as those found in automatic transmissions. Regardless of the specific word choice, each of these synonyms points to the essential function of clutches, which is to transfer mechanical energy from one part of a system to another.