Because then there would be a chink in the armor.
He found a chink in it.
No matter how much protective garments they wear, there's still a chink in the armor.
Sir Loin
A knight in Charmin armor.
Asians? Idk it's been a rough day.
A man named Bob running down a train track (only Asians will understand)
Lord Of The Chinks
There was a chink in his armor.