When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
True, that will only tell you if they flex out. But they will flex in more or less the same amount that they flex out when the same g-forces are applied right? either way, its a cheap way to figure out if you need a bar.