This is exactly what I’ve been looking for to store the anchor and line in our boat.
![Camco Blow Out Plug - Brass - Quick-Connect Style [36143]](http://www.innovativemarinegroup.com/cdn/shop/products/62991XL.jpg?v=1654245019&width=1445)
Blow Out Plug - Brass - Quick-Connect Style
Completely clear your water lines with RV blow-out plugs. Screw the plug into the city water inlet, open all drains and faucets, attach and activate air pump until all lines are clear.