[13] All forms of breast torture require adequate precautions to prevent injury or blood loss.
[2][16] It can include biting, sucking, pinching and roughly touching or rubbing the nipples and the areolae.
[17] They are an erogenous zone of the body[18] and their stimulation using techniques such as pinching can in some cases lead to orgasm.
[19] During the 1970s, a study of S&M-themed contact magazines and club members in Germany identified nipple torture as one of the six most popular activities.
[20] BDSM literature sometimes shows household items attached to erect nipples to provide a pinching sensation.
These include clothespins, mousetraps,[2][4] clothes hangers with integral clips, or pairs of chopsticks with elastic bands wrapped around each end.
The last of these increases the pain when weights hung from the clamps tighten the pinch or add a tugging sensation that varies as the wearer moves.
[25] Nipple clamps are sometimes sold with a chain connecting them so that a dominant can pull on it to create tension.
The sensation can be erotic, and drawing blood to the skin can make the area more sensitive once the cups are removed.
The high concentration of nerve endings in the breasts means that having them tied tightly can be a painful experience.
[38] Breast bondage can be used as a show of power on the part of the dominant person or a way to inflict torture and punishment.
This device consists of two parallel bars or boards separated and fastened at either end by steel bolts[4] or adjustable screws.
The press is slightly longer than the width of the two breasts and typically made of wood or steel bars.
Ropes designed for BDSM use are typically made from soft cotton that lies flat against the skin to avoid this.
[47] It can be damaging[47] and safety recommendations include the presence of scissors that can be used to remove ropes quickly if needed.
[12] Breast bondage in Japanese culture is generally practiced by women under thirty as a result of the body's decreasing ability to heal with age.
[21] Sensations such as squeezing, pinching, caressing, poking and tickling can be induced by hand or mouth or by making use of a variety of implements.
[17] Clothespins can be attached to the breasts in large numbers to pinch the skin in multiple places.