The initial idioms of the letter K

know which is which	know which side bread is buttered
know which side bread is buttered on	know which side of one's bread is buttered
know which way to turn	know-how
knowing	knowledge in, bullshit out
Knowledge is power	knowledge-box
knowledge	known
known fact	knew it was coming
known quantity	know
knuckle	knuckle bones
knuckle down	knuckle down to something
knuckle under	knuckle under to someone/something
knuckle-dragger	knucklehead
Kodak moment	KOed
Kojak	Kong
konk	konk-buster