• The slightest details can improve your shot execution, especially when you consider how a release connects to your hand regardless of how you activate it 
• The Contour Knob has an ergonomic dished contour with non-slip spiral grooves – ensuring it fits your thumb while creating a tactile repeatable point of reference
• Customize your UV Button or most other compatible thumb button release with The Contour Knob™ and match your set-up with 7 unique colors
• Contour Knob™ is Cerakoted for maximum durability and longevity