Feel the pins digging into the delicate breasts!
The stainless steel pins are meant to create a sensation in the breasts, and if tightened firmly, it also might draw blood or leaving lasting marks!
The Spiked Breast Binder is made of leather, with small metal spikes placed on the inside of the breast pads. The leather circles around your nipples can be moved left or right, and it has a metal rolling buckle for easy fitting. 

Features:
1) Quality buckle for secure closure.
2) Designed for those that like extreme Nipple Play.
3) Two sizes:
S/M - Chest circumference 30-38' inches/76-96.5 cm"
L/XL - Chest circumference 38-46 inches/96.5-117 cm"
4) Quality Leather and Stainless Steel Pins.