Audeze iSINE10 Guía Del Usuario Y Garantía página 9

Types of Ear Attachments
As everyone's ears are different, the iSINE Headphones come with two
types of earpiece attachments: EarHooks and EarLocks™. We suggest
trying the EarHooks first, but users should select the option that is most
comfortable and secure for their use.
EarHooks: The EarHooks fit over the ear,
anchoring the headphones in place similar
to how eyeglass hooks work. For most
users, the EarHooks allow the headphones
to be fitted securely and allow for the most
comfortable fit.
EarLocks: The EarLocks are positioned on
the concha of the ear rather than over the
top of the ear. They are preferred by some
listeners, but may not be a viable option
for everyone depending on the shape of
your ear.
EarLocks are a registered trademark of Surefire.