twofer

A coupon offering two items, especially tickets for a play, for the price of one.

An offer or arrangement in which a single expense or amount of effort produces two returns.

A person or thing that has two desirable attributes normally present singly.

One who belongs to two distinct demographic groups and can be counted, as by an employer, as part of two quotas.

Something that yields a substantial additional benefit.

The fashion of wearing long sleeves outside a short-sleeved shirt.

A cabling device used in theatre, allowing two stage lighting instruments to be connected to one dimmer.

an offer of two for the price of one

a coupon that allows the holder to purchase two items (as two tickets to a play) for the price of one