pull through

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A length of cord about a metre long with a narrow cylindrical weight at one end and loops at the other. Used for cleaning rifle barrels, by pulling through a piece of cloth.
• verb to come through pain and trouble through perseverance
• verb to clean the barrel of a firearm using a pull through

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• verb bring into safety
• verb continue in existence after (an adversity, etc.)