It's quicker and easier to load the paint roller cover with paint from a bucket. It's easy to cover a bucket with a damp ...
Paint rollers are equipped with either a center-mounted handle or a side-mounted handle with threads for mounting on an extension pole. Roll covers are graded and may include a spatter shield.
Just hook up the hose to a faucet, slide the roller cover into the tube and watch the water flush out the paint in minutes.