So that if the knife slips you don't cut an artery.

The knife slipped from her fingers and dashed on the rock floor.

There was a bit of tension as the knife slipped into the vessels, but they too were clear.

The knife slipped from her fingers and clattered to the street.

The knife slipped under her sleeve and began cutting before she turned back to glare at him.

The knife slips in his hand, and he nearly cuts himself.

As it did, the knife slipped and sliced Jack across the back of his left hand.

Before he could prevent it, the knife had slipped between his ribs and out again.

Marco pulled the silk away and the knife slipped free of it.

The knife handle, slick with blood, slipped through her fingers again.