Everything you want to know about starting out in line and wash. Some times referred to as pen and wash this tutorial will give you the confidence to get going. All techniques are explained including all the materials you need. Give it a go - line and wash is easier than you think!
Website:
https://www.artbypaulclark.co.uk
Paul Clark Series Brushes:
https://www.artbypaulclark.co.uk/materials
Painting a boat in Watercolour:
https://youtu.be/AaLLuItCp7c