Sea sponges have been used to soak up menstrual blood for
decades. Much like a tampon, a sea sponge is inserted into the
vaginal canal, where its super absorbency slurps up what your
uterus is shedding. In fact, according to the Museum Of
Menstruation and Women's Health: Women have probably used
sponges to absorb menstrual discharge for thousands of years,
but they have also used them as contraceptives and for putting
medication into the vagina (as with tampons; see hieroglyphics
from about 1550 BCE). Sometimes it's hard to say which sponge
was used for what - but maybe women sometimes used them for all
three purposes. So. Sea sponge: Not new. What is new? Calling it
the Jam Sponge. As in jam it up in there? As in, what comes out
looks like strawberry jam? Back to the drawing board with you.
The Jam Sponge: The Feminine Product With An Attitude! [BWE] Jam
Sponge [Official Site]