clench vs get one's hands on

clench

• To grip or hold fast. 

• To close tightly. 

• A tight grip. 

• A local chapter of the Church of the SubGenius parody religion. 

• A seal that is applied to formed thin-wall bushings. 

get one's hands on

• To catch. 

• To get; to obtain; to secure. 

• If you can get your hands on the right ingredients, it's an easy recipe.