A [[mouth mask]] worn [[mask on breasts|on the breasts]] as a [[bra]] or a [[bikini]] top.

This is typically is shown in various ways, but generally in a creative ad hoc fashion involving tying, interlocking, or otherwise binding multiple masks together to be worn as a larger outfit (see post #3830413), sometimes also incorporating [[mask panties]]. Ironically, the character involved may or may not additionally being wearing a mask properly over their face. This theme developed in response to the [[coronavirus pandemic]] of 2020 where mask usage was brought into stark focus.

For the converse of this tag, where a [[bra]] or bikini top is used as a [[mask]], see [[bra on head]] or [[bikini top on head]]. For bikini tops that aren't actually made of mouth masks, but which adopt the specific strapless design associated with mask bikinis, see [[eyepatch bikini]].

h4. See also

* [[surgical mask]]
* [[mask on breasts]]
* [[mask on crotch]]
* [[mask panties]]
mask bikini