Shop-vac gutter cleaner.
https://s3-us-west-1.amazonaws.com/h...er_cleaner.jpg
Previously:
https://www.homemadetools.net/forum/...935#post133722
https://www.homemadetools.net/forum/...556#post136129
Printable View
I designed and 3d printed an adapter to go from my Rigid shop vac hose to Schedule 40 PVC for precisely this reason. It works a treat.
https://www.thingiverse.com/thing:3067925