With 2 maps on same material i am not able to see and paint on 2nd map in texture mode - Blender Stack Exchange
Eraser tool for texture painting — Right-Click Select
How to texture paint in Blender 2.8 with layers just like in Photoshop - YouTube
2.8 beta won't let me texture-paint on bump map slot interactively - Blender Stack Exchange
2.8 beta won't let me texture-paint on bump map slot interactively - Blender Stack Exchange
Blender Tutorial - Texture Painting - How to set up model for first time. Color AND Normal maps - YouTube | Blender tutorial, Texture painting, Blender