Drawing a tree

I started this drawing a few days ago. In this video, I continue the process of adding detail to the bark.
I capture the video on my phone, but I will use my better camera next time.
The very first step in creating the drawing was to add basic shading all over the tree. For this, I used a cross-hatching technique.
Please feel free to let me know if you have questions in the comments section below.
I hope you enjoy the video.
Music from Pixabay:
Inspiring Motivational Mood - Alex_MakeMusic
Simple Piano Melody - Daddy_s_Music
Website:
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