loosen the apron strings

apron string

A symbol of the domestic ties binding a male to a female (as a husband to a wife or a son to a mother).

hold the purse strings

To be in control of spending; to have financial power and responsibility.

loosen someone's lips

To cause one to speak more freely; to cause one to discuss a subject that would not usually be discussed.

loosen someone's tongue

To cause one to speak more freely; to cause one to discuss a subject that would not usually be discussed.

loosen the purse strings

To increase spending or allow increased spending; to relax control of spending.

no strings attached

Without conditions or obligations; without a catch.

pull strings

To manipulate a situation, especially by asking favours of others; to use one's influence with others to attain a desired goal.

tighten the purse strings

To decrease spending or disallow increased spending; to increase control of spending.