Pellets of mepacrine are inserted through the cervix into a woman's uterine cavity using a preloaded inserter device, similar in manner to IUCD insertion.
The helicopter includes 3 stick-on weights that can be attached to the nose in order to achieve forward flight, and some owners add greater weight (paper clips or pellets) to the nose, or nose canards.
In addition to liquid, pellets that could be formed that are small enough to pump.