Read 1 Samuel 14:13 Using Other Translations
And Jonathan climbed up upon his hands and upon his feet, and his armourbearer after him: and they fell before Jonathan; and his armourbearer slew after him.
Then Jonathan climbed up on his hands and feet, and his armor-bearer after him. And they fell before Jonathan, and his armor-bearer killed them after him.
So they climbed up using both hands and feet, and the Philistines fell before Jonathan, and his armor bearer killed those who came behind them.