Put your partner on lockdown with the Doggy Style Locking Spreader from Kink Industries. This device is perfect for locking your partner in the Doggy-Style position. Lock is not included with this device. Sizes: Small/Medium: 2 inch wrist, 3 inch ankles and 11 inches in-between ankle cuffs. Large/Extra Large: 2.5 inch wrist, 3.5 inch ankles and 11 inches in-between ankle cuffs.