To operate a Ratchet Buckle, pull the webbing through the mandrel bars eliminating any slack. operate the Ratchet handle back and forth until the webbing is properly tensioned. The mandrel bars must have at least two wraps of webbing to prevent slippage. To release the webbing, pull the handle pawl to the fully opened position and rotate the handle past the centre position on the Ratchet to the full open position. Finally, pull the webbing back through the mandrel creating slack.