Collocations for knack - noun

real
amazing, incredible, uncanny
happy, unfortunate (both BrE)
He had the unfortunate knack of making enemies in the party.

have
demonstrate, display, show
acquire, develop, get
Once you get the knack, it's easy.

lose
I don't cook much these days and I think I may have lost the knack.

knack for
a woman with a real knack for handling horses

knack of
He has the knack of scoring just when it's most needed.

knack to
Making omelettes isn't difficult, but there's a knack to it.