Automatically illuminate upon release
Aids your sight of arrow flight and recovery
Easily deactivates with a simple tug
With these Burt Coyote Lumenok Illuminated Crossbow Nocks, you'll always be able to find your bolts. Lighted nock is activated by the force applied to it upon the release of the arrow and deactivated by slightly pulling it back as to break the contact. Designed to aid in watching your arrow flight and recovery of you game. Package of 3 nocks.