Multi-Stage Design
Every Knuckle is a multi-stage toy that can be used right away. For example, you can use the top of the Knuckle 30 to stretch to the max circumference of Knuckle 22.
Built for Progression
Each size builds naturally on the last, helping you develop technique and fisting capacity over time.
You'll receive ALL 3 of the following:
Knuckle 22 YELLOW
Diameter: 2.2" / 5.6 cm
Circumference:6.9" / 17.5 cm
Insertable Length: 6.0" / 15.2 cm
Knuckle 25 ORANGE
Diameter: 2.5" / 6.4 cm
Circumference: 7.9" / 20.1 cm
Insertable Length: 6.5" / 16.5 cm
Knuckle 30 PINK
Diameter: 3.0" / 7.6 cm
Circumference: 9.5" / 24.1 cm
Insertable Length: 7.0" / 17.8 cm