Adverb
cap in hand (not comparable)
(idiomatic) In a humble and respectful manner.
No longer were we required to go cap in hand to the banks if we wanted money: they were coming to us.
Cross-State government is a cap in hand shopping for funds to fight COVID-19 as organisations and individuals throw in support. Source: Internet
The imf is used to Africans begging with cap in hand at their doorstep. Source: Internet