Users were instructed to "exhale the lungs of air, then after taking a mouthful of smoke, inhale the air into the lungs through the mouth allowing the smoke to go down with the air filling the lungs." Users were warned to "discontinue use if rapid pulse or blurring of vision appears." The label also warns that the inhalers are "not to be taken by elderly people except on competent advice." Although the product first appeared in the 1890s, ads promoting it as a treatment for asthma could be found into the 1950s

Several studies have suggested that Blacks are becoming polarized into an elite and an underclass...It is the underclass who are smokers. Acknowledging the disadvantages of underclass status, RJR concluded that, although health may be a concern, Blacks simply have more pressing concerns than smoking issues. The implication is that this market, with its myriad socioeconomic pressures, should remain reliable consumers even if they are aware of tobacco's health risks. Perhaps realizing they might be helped by creating the illusion that they cared about Black customers at all especially as smoking rates began to tumble they also funded community programs
With fewer parts and no coals, they are quicker to operate and better suited to personal sessions
However, a possible limitation is that some items may not represent the concept of interest as they are selected from existing measures and do not stem from a dedicated conceptual framework
Its the most common box style with a top and bottom flap that tucks in for closure