Domination & submission _ the BDSM relationship handbook ( PDFDrive )

EMS stands for Electrical Muscle Stimulation. EMS units are typically used in
medicine, sports training, cosmetic treatments, and in therapy to produce
repeated muscle contractions through electrical stimulation. EMS devices range
in quality and complexity from the very intricate and expensive machines used
by medical and sports professionals to the simpler, less expensive devices
marketed to the flabby masses via late-night infomercials. The odd experience
of having your muscles stimulated electrically to involuntarily contract and
release in rapid succession makes the EMS unit an interesting option for BDSM
sensation play. An EMS unit can usually be purchased for $30 to $250. The
higher price range for the EMS, versus the TENS, is probably a reflection of the
fact that EMS units are often marketed to an increasingly chunky and gullible
public as weight loss and muscle toning devices.
Both TENS and EMS units must be FDA approved for sale in the U.S. and must
meet certain industry safety guidelines. Most of the safety practices applicable
for violet wands are also recommended for TENS and EMS devices, along with
the following exceptions and additional recommendations.
Neither device should ever be used by anyone with a heart condition, epilepsy,
blood circulation problems, any sort of malignancy, or may be pregnant. People
with pacemakers, metal implants, and internal pumps or monitors should avoid
them as well. Never place electrodes on open wounds, directly on the spinal
column, on either side of the head, near the eyes and sinuses, on the neck near
the carotid artery, or near the front of the throat, as it could cause a vasovagal
reflex or laryngospasm. (Translation: choking, gagging, turning blue, and
flopping around on the floor like a tuna on a boat deck.)
Clamps, Clips, & Vices
BDSM sensation play just wouldn’t be the same without all of the little squeezy
devices that can be used to apply exquisite pressure to those sensitive parts of
the body. There are an infinite number of different types of clamps, clips and
vices that can be used in BDSM play; the most common are nipple clamps, clit
clips, ball crushers, and other cock-and-ball torture (CBT) devices. Rather than
get bogged down in trying to discuss all of them, we’ll focus instead on just a
few of the more common or interesting.
Nipple clamps are probably the most commonly purchased and well-known
pressure sensation play toys available. They are popular both in and outside the