Casio has a history of pushing boundaries, and this isnt even the first time the brand has experimented with rings
Bals, Robert (2016)
When one takes into account all the commercial force that the tobacco companies have brought to bear in our society over the years to promote brands of cigarettes, and all the lobbying they have done, and all the influence they have exerted on one Administration and one Congress after another, and when one reflects that although the total excess deaths among regular smokers since the time of the Surgeon Generals report in 1964 must be numbered in the hundreds of thousands, the tobacco and broadcasting people were nonetheless able for so long to persuade the House of Representatives to vote a ban on effective regulation of cigarette advertising on the air, this change is a remarkable one
Some people light their joints the same way they light a cigarette, which is by putting the joint in your mouth, holding the flame up to it, and breathing in
Its a deliberate move, really, to make smoking less appealing and, hopefully, get people to quit