The collar locks with a stainless steel allen screw, opens with allen key (supplied).

The collar has one O-rings for attachment to chains, ties or other bondage gear. Means you can securely lock your sub to the toys of your choice. You can even attach a leash to the collar and lead your sub around and make them follow all of your commands.

Color: Silver

Material: Stainless Steel

Package: Bag

Female Type

Inner Diameter: 12 cm/4.7"

Thickness: 0.6 cm/0.2"

Height: 2 cm/0.8"

Spiked Length: 2 cm/0.8"

Male Type

Inner Diameter: 14 cm/5.5"

Thickness: 0.6 cm/0.2"

Height: 2 cm/0.8"

Spiked Length: 2 cm/0.8"