![Interview with Tim Ferriss, RKCII: A Kettlebells article from Dragon Door Publications | Dragon Door Interview with Tim Ferriss, RKCII: A Kettlebells article from Dragon Door Publications | Dragon Door](http://www.dragondoor.com/images/articles/602/602a.jpg)
Interview with Tim Ferriss, RKCII: A Kettlebells article from Dragon Door Publications | Dragon Door
![Tim Ferriss on X: "When everything else failed, Cossack squats with a kettlebell roughly doubled my ankle mobility, which had a chain of positive effects. Keep your heels on the ground throughout, Tim Ferriss on X: "When everything else failed, Cossack squats with a kettlebell roughly doubled my ankle mobility, which had a chain of positive effects. Keep your heels on the ground throughout,](https://pbs.twimg.com/ext_tw_video_thumb/1729915573855731713/pu/img/c74WkTAlLhfZDaWx.jpg)
Tim Ferriss on X: "When everything else failed, Cossack squats with a kettlebell roughly doubled my ankle mobility, which had a chain of positive effects. Keep your heels on the ground throughout,
Tim Ferriss - Are kettlebell swings ever safe? A debate is heating up on the blog after the Charles Poliquin podcast: http://fourhourworkweek.com/2015/07/21/charles-poliquin/#comment-801520 If anyone out there has researched this, I'd love to
![The Swing!: Lose the Fat and Get Fit with This Revolutionary Kettlebell Program: Reifkind, Tracy: 9780062104236: Amazon.com: Books The Swing!: Lose the Fat and Get Fit with This Revolutionary Kettlebell Program: Reifkind, Tracy: 9780062104236: Amazon.com: Books](https://m.media-amazon.com/images/I/61pleyjSW2L._AC_UF1000,1000_QL80_.jpg)