Neal 1,930 Posted October 14, 2014 Report Share Posted October 14, 2014 When mine were blasted it was (I think I remember correctly) with targeted sound waves. You have to lay motionless for about three quarters of an hour and the "ping", which was roughly twice per second, felt like relentless attack with an elastic band. When it had finished and I was given a paper towel to wipe off the gel, there was a red stain on it...the sound waves had actually broken the skin! Quote Link to post Share on other sites
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