The tumbler device was created by Ken G. Kosada, who has used it to clean up beaches around Hawaii. The simple device spins sand and debris inside of a metal grate, catching debris and allowing clean sand to fall through.<br />» Sign up for our newsletter KnowThis to get the biggest stories of the day delivered straight to your inbox: https://go.nowth.is/knowthis_youtube<br />» Subscribe to NowThis Earth: https://go.nowth.is/Earth_Subscribe<br /><br />Kosada has worked with organizations such as Sustainable Coastlines Hawaii to produce more tumblers and host community cleanups.<br /><br />#Cleanup #Hawaii #Shorts #Earth #Environment #Science #NowThis