Product: White arrow nocks used for Ravin ® brand Crossbows. Issue: If the white nock is not fully engaged with the bowstring, the Ravin ® Crossbow can fail to discharge when the trigger is pulled and can result in the bow discharging while re-nocking of the arrow, posing a laceration hazard to users. What to do: Consumers should immediately stop using the white nocks and contact Ravin ® Crossbows for replacement orange nocks. Affected products What you should do Re-announcement of the December 5, 2017 recall . Joint recall with Health Canada, the United States Consumer Product Safety Commission (US CPSC) and Ravin ® Crossbows, LLC.