What is the origin of the idiom "hand and glove" and when to use it?

The idiom "hand and glove" originated in the 16th century and was originally used to describe the close fit between a glove and the hand. It was later used figuratively to describe a close and cooperative relationship between two or more people or entities. It is used to describe a situation where two or more people or entities are working closely and cooperatively with each other, often towards a common goal.