Just curious if these are gaining popularity out in Canada, they have really become quite popular here in Iceland in the last few months.
The company that makes these was basically forced in Australia to admit they had zero evidence that they worked, yet these continue to gain in popularity all over the world.
The demonstrations used by sales people or seen on TV ADs are tricks that are well known and well understood, example can be seen here:
Another one demonstrating the tricks.
I should stop trying to educate people on these scams and just sell out and make money off of people's gullibility