Hot Shot Manufacturing Vapor Release Black 4 Finger. The Vapor features a fully adjustable thumb barrel zero noise internal actuating system automatic closing jaw with no trigger set requirements and a crisp adjustable tension trigger. Specifications for Hot Shot Manufacturing Vapor Release: Manufacturer: Hot Shot Manufacturing Color: Black Package Contents: Hot Shot Manufacturing Vapor Release Designed with the bowhunter in mind the Vapor is available in a three or four finger handle. The Vapor features a fully adjustable thumb barrel zero noise internal actuating system automatic closing jaw with no trigger set requirements and a crisp adjustable tension trigger.