Now seems to be a good point to mention the lack of double-blind testing that has been performed on parachutes. https://pubmed.ncbi.nlm.nih.gov/14684649/ https

Now seems to be a good point to mention the lack of double-blind testing that has been performed on parachutes. https://pubmed.ncbi.nlm.nih.gov/14684649/ https://pubmed.ncbi.nlm.nih.gov/14684649/