TBO Posted November 3, 2019 Share Posted November 3, 2019 Sent from my Jackboot using Copatalk 1 Link to comment Share on other sites More sharing options...
janice6 Posted November 3, 2019 Share Posted November 3, 2019 6 minutes ago, TBO said: Sent from my Jackboot using Copatalk You could get the same benefit from anything that restricts you breathing and makes you put effort into breathing. Like a bandana over your mouth while exercising. There are many ways to do this. You could even stop smoking or vaping, to improve your lung function. 3 Link to comment Share on other sites More sharing options...
holyjohnson Posted November 4, 2019 Share Posted November 4, 2019 i`m not gonna lie i paused those videos a lot of times at many various points.. what i got was the harder you suck,the healthier you are? correct me if i`m wrong..... 1 Link to comment Share on other sites More sharing options...
janice6 Posted November 4, 2019 Share Posted November 4, 2019 It would seem that these are training aides for certain less publicly appreciated areas of work. 1 Link to comment Share on other sites More sharing options...
janice6 Posted November 4, 2019 Share Posted November 4, 2019 Suck, blow is just a figure of speech. 1 Link to comment Share on other sites More sharing options...
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