Dustpan vacuum cleaner attachment. Found on Kickstarter, with $128 pledged of $30,000 goal.
https://diqn32j8nouaz.cloudfront.net...attachment.jpg
1:07 video:
https://www.youtube.com/watch?v=wAnlYHGdX_Q
Previously:
https://www.homemadetools.net/forum/...925#post156674
https://www.homemadetools.net/forum/...044#post160658
https://www.homemadetools.net/forum/...874#post163998
https://www.homemadetools.net/forum/...850#post156309
