If it starts canoeing (burning more on one side), just stop for a moment, let the ember calm down, then keep going
You can mention a disclaimer, the health hazard of consuming tobacco products to abide by the legalities, and mention ingredients that can help customers to know what they are inhaling which will ultimately increase the credibility of your brand
For daily, high-speed rolling, a reliable electric injector is a top choice
There is no obligation to use the 'puff sensing' feature
The heat source for waterpipe is most commonly wood- or coconut-derived charcoal briquettes, which are placed on top of the shisha in the bowl or head of the waterpipe, typically separated by a layer of aluminium foil, and lit 4,5
6 Whilst these measures are important from a clinical and social justice perspective, they are unlikely to greatly affect smoking prevalence due to limited reach and cost-effectiveness