portable incense burner; sleeve incense burner
A small, ball-shaped incense burner carried inside the sleeve or clothing, used in historical Japanese contexts.
Women in the Edo period carried a sleeve incense burner inside the sleeve of their kimono.
Compound of 袖 (sode, 'sleeve') and 香炉 (kōro, 'incense burner'), referring to a small incense burner carried in the sleeve.