Am I the only one who is skeptical about these...?
https://www.ebay.com/itm/294330924756?mkevt=1&mkpid=0&emsid=e11021.m43.l1120&mkcid=7&ch=osgood&euid=99496b1a4fde4cd9a5efc55b5abc7fbe&bu=43193798190&ut=RU&osub=-1~1&crd=20210813062125&segname=11021&sojTags=ch%3Dch%2Cbu%3Dbu%2Cut%3Dut%2Cosub%3Dosub%2Ccrd%3Dcrd%2Csegname%3Dsegname%2Cchnl%3Dmkcid
