This hand symbol is called a "shaka" commonly used among people of gnarly nature, and Hawaiians. I did this drawing in about 15 minutes with a regular graphite pencil.

This is a picture of my eyes and a strand of my hair and my mask. I did it in 20 minutes with a graphite pencil.

I did a rough sketch of my favorite shoes, which are my golden state vans. I use these pretty much every day and I did this sketch in about 25 mins with a graphite pencil.